Cita APA (7th ed.)

Ferman, G. S., & Levin, J. (1975). Social Science Research: A handbook for students. Schenkman.

Cita Chicago (17th ed.)

Ferman, Gerald S., i Jack Levin. Social Science Research: A Handbook for Students. Massachusetts: Schenkman, 1975.

Cita MLA (9th ed.)

Ferman, Gerald S., i Jack Levin. Social Science Research: A Handbook for Students. Schenkman, 1975.