APA aipamena

Leavitt, F. (1991). Research methods for behavioral scientists. Wm C. Brown.

Chicago Style aipamena

Leavitt, Fred. Research Methods for Behavioral Scientists. Dubuque: Wm C. Brown, 1991.

MLA aipamena

Leavitt, Fred. Research Methods for Behavioral Scientists. Wm C. Brown, 1991.