Gaya APA

Swanson, C, P., M...[et.al], I, G, G. (NULL). Human relations development manual for educators . Boston:: Boston: Allyn and Bacon; 1991.

Gaya MLA

Swanson, Carl, P.., M...[et.al], I., Gazda,, George. "Human relations development manual for educators". Boston:: Boston: Allyn and Bacon; 1991, NULL. Text.