Gaya APA

J., G., R., S.Krantz, A., B. (1989). An introduction to health psycology (2). New York: Mc Graw-Hill Book Company.

Gaya MLA

J., G., R., S.Krantz, A., B.. An introduction to health psycology. 2 New York: Mc Graw-Hill Book Company, 1989. Text.