Gaya APA

Carmody, D, L., Carmody, J, T. (1993). Ways to the center (Ed. 4). Belmont - California: Wadsworth Publishing Company.

Gaya MLA

Carmody, Denise, L.., Carmody, John, T.. "Ways to the center". Ed. 4 Belmont - California: Wadsworth Publishing Company, 1993. Text.