Dyfyniad APA

ebrary, Inc, & Wu-Wong, J. R. (2012). Why does vitamin D matter? Bentham eBooks.

Dyfyniad Arddull Chicago

ebrary, Inc, and J. Ruth Wu-Wong. Why Does Vitamin D Matter? [Dubai, United Arab Emirates]: Bentham eBooks, 2012.

Dyfyniad MLA

ebrary, Inc, and J. Ruth Wu-Wong. Why Does Vitamin D Matter? Bentham eBooks, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.