Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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