Cita APA (7th ed.)
Kerlinger , F. N. (1979). Behavioral Research: A conceptual approach (ed.). Holt, Rinehart and Winston.
Cita Chicago (17th ed.)
Kerlinger , Fred N. Behavioral Research: A Conceptual Approach. ed. New York: Holt, Rinehart and Winston, 1979.
Cita MLA (9th ed.)
Kerlinger , Fred N. Behavioral Research: A Conceptual Approach. ed. Holt, Rinehart and Winston, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.