Cita APA (7th ed.)
Forcese, D., & Richer, S. (1973). Social Research Methods. Prentice-Hall.
Cita Chicago (17th ed.)
Forcese, DennisP, i Stephen Richer. Social Research Methods. New Jersey: Prentice-Hall, 1973.
Cita MLA (9th ed.)
Forcese, DennisP, i Stephen Richer. Social Research Methods. Prentice-Hall, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.