APA aipamena

Khan, K., & Khan, R. (2012). Why we get a blue stain. Nature Publishing Group.

Chicago Style aipamena

Khan, K., and R. Khan. Why We Get a Blue Stain. Nature Publishing Group, 2012.

MLA aipamena

Khan, K., and R. Khan. Why We Get a Blue Stain. Nature Publishing Group, 2012.

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