Cita APA (7th ed.)

KERLINGER, F. N. Foundations of behavioral research.-- ed.2. Holt.

Cita Chicago (17th ed.)

KERLINGER, Fred N. Foundations of Behavioral Research.-- Ed.2. New York: Holt.

Cita MLA (9th ed.)

KERLINGER, Fred N. Foundations of Behavioral Research.-- Ed.2. Holt.