Παραπομπή APA

McNeill, P., & Chapman, S. (2005). Research methods (3rd ed.). Routtedge.

Παραπομπή Chicago Style

McNeill, Patrick, και Steve Chapman. Research Methods. 3rd ed. New York: Routtedge, 2005.

Παραπομπή MLA

McNeill, Patrick, και Steve Chapman. Research Methods. 3rd ed. Routtedge, 2005.