Gaya APA

Chinn, P, L., Kramer, M, K. (1991). Theory and Nursing : A Systematic Approach (Third Edition). Toronto: Mosby Year Book.

Gaya MLA

Chinn, Peggy, L.., Kramer, Maeona, K.. "Theory and Nursing : A Systematic Approach". Third Edition Toronto: Mosby Year Book, 1991. Text.