Frankfort-Nachmias, C. (1992). Research methods in the social sciences: 576pp (4th ed.). St.Martin's Press.
Chicago-referens (17:e uppl.)Frankfort-Nachmias, Chava. Research Methods in the Social Sciences: 576pp. 4th ed. New York: St.Martin's Press, 1992.
MLA-referens (9:e uppl.)Frankfort-Nachmias, Chava. Research Methods in the Social Sciences: 576pp. 4th ed. St.Martin's Press, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.