APA (7th ed.) Zitazioa

Williams, S. R. (1990). Essentials of nutration and diet therapy (5th ed.). Times Mirror.

Chicago Style (17th ed.) Zitazioa

Williams, Sue Rodwells. Essentials of Nutration and Diet Therapy. 5th ed. St. Louis, Mo.: Times Mirror, 1990.

MLA (9th ed.) Zitazioa

Williams, Sue Rodwells. Essentials of Nutration and Diet Therapy. 5th ed. Times Mirror, 1990.