Gaya APA

Alpers, D, , H. et al (1995). Manual of Nutritional Therapeutics (Edisi 3). United States of America: Little, Brown and Company.

Gaya MLA

Alpers, David, , H.. et al. "Manual of Nutritional Therapeutics". Edisi 3 United States of America: Little, Brown and Company, 1995. Text.