Cita APA (7th ed.)
Sellitz, C. (1976). Research methods in social relations (3rd. ed.). Holt, Rinehart and winston.
Cita Chicago (17th ed.)
Sellitz, Claire. Research Methods in Social Relations. 3rd. ed. Chicago: Holt, Rinehart and winston, 1976.
Cita MLA (9th ed.)
Sellitz, Claire. Research Methods in Social Relations. 3rd. ed. Holt, Rinehart and winston, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.