Cita APA (7th ed.)

Worthington-Roberts, B. S. 1. . . .., & Williams, S. R. (2000). Nutrition throughout the life cycle (4th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Worthington-Roberts, Bonnie S. 1943- ., i Sue Rodwell Williams. Nutrition Throughout the Life Cycle. 4th ed. Boston: McGraw-Hill, 2000.

Cita MLA (9th ed.)

Worthington-Roberts, Bonnie S. 1943- ., i Sue Rodwell Williams. Nutrition Throughout the Life Cycle. 4th ed. McGraw-Hill, 2000.