Cita APA (7th ed.)

Whitney, E. N., & Sharon, R. R. (2002). Understanding nutrition (9th ed.). Wadsworth.

Cita Chicago (17th ed.)

Whitney, Eleanor Noss, i Rady Rolfes Sharon. Understanding Nutrition. 9th ed. [Australia]: Wadsworth, 2002.

Cita MLA (9th ed.)

Whitney, Eleanor Noss, i Rady Rolfes Sharon. Understanding Nutrition. 9th ed. Wadsworth, 2002.