Gaya APA

WHINEY, E., ROLFES, S, R. (2011). Understanding nutrition (Edisi 12). Canada: Wadsworth, Cengage Learning.

Gaya MLA

WHINEY, ELLIE., ROLFES, SHARON, RADY. "Understanding nutrition". Edisi 12 Canada: Wadsworth, Cengage Learning, 2011. TEXT.