You can buy manga online from various sources like Amazon, Book Depository, Right Stuf Anime, and Barnes & Noble. Many manga publishers also have their own online stores where you can purchase directly from them. Additionally, digital manga platforms like ComiXology and Crunchyroll offer a wide selection of manga for purchase and reading.
You can buy the manga from Googleplay.
You can buy it online at Amazon, Ebay, Borders, etc.
This site is a good one for buying any manga or anime: http://www.justmanga.com/browse.cfm?anime=Wallflower
Buy the copyrighted English version from Media Blasters.
You can search a manga store, or try buying it online.
Yes, you can buy Maid Sama manga from Barnes and Noble either online or at select stores that carry manga and graphic novels. It is a popular series, so it should be available in stock or for special order.
The Persona 3 manga has not and probably will not be released in the U.S.Your only options are to import it from Japan, or read the fan translation online.
You can buy "The Pollinic Girls Attack" manga at various online retailers such as Amazon, Right Stuf Anime, and Barnes & Noble. Additionally, you may be able to find it at your local comic book store or specialty manga shop.
The Cardcaptor Sakura manga by CLAMP can be read online at WWW.Mangahut.com. All 50 chapters are up on the site.
This manga can be bought online or at the following places: Barnes and Noble Boarders Walden Books and so many more places.
You can buy manga dolls from various places such as specialty anime stores, online retailers like Amazon or eBay, and official licensed merchandise websites. Keep in mind that the availability of manga dolls may vary depending on the series or character you are looking for.
One can view the manga One Piece online on the following websites: MangaSee, Manga Fox, Manga Stream, MangaHit, and many other free online manga resources.