APA (7th ed.) Zitazioa
ebrary, Inc, & Wu-Wong, J. R. (2012). Why does vitamin D matter? Bentham eBooks.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta J. Ruth Wu-Wong. Why Does Vitamin D Matter? [Dubai, United Arab Emirates]: Bentham eBooks, 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta J. Ruth Wu-Wong. Why Does Vitamin D Matter? Bentham eBooks, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.