Gaya APA

Cowley, F, S, S, E, N, W, D, K. (1988). Life Choices : Health concepts and strategies . St. Paul: West Publishing Company.

Gaya MLA

Cowley, Frances, Sienkiewicz, Sizer,, Eleanor, Noss, Whitney,, Dana, Knighten. "Life Choices : Health concepts and strategies". St. Paul: West Publishing Company, 1988. Text.