Cita APA (7th ed.)

Watts, A. a., & Young, P. (2007). Health, safety, and nutrition. Delmar Cengage Learning.

Cita Chicago (17th ed.)

Watts, Ann author, i Phygenia Young. Health, Safety, and Nutrition. Australia: Delmar Cengage Learning, 2007.

Cita MLA (9th ed.)

Watts, Ann author, i Phygenia Young. Health, Safety, and Nutrition. Delmar Cengage Learning, 2007.