Gaya APA

blatchford, J, S. (1988). Social Work Research and Evaluation (Third Edition) (ED.3). canada: f.e. peacock publisher, inc., itasca, illinois.

Gaya MLA

blatchford, John, Siraj-. "Social Work Research and Evaluation (Third Edition)". ED.3 canada: f.e. peacock publisher, inc., itasca, illinois, 1988. Text.