Cita APA (7th ed.)

Black, J. A., & Champion, D. J. (1976). Methods and issues in social research. Wiley.

Cita Chicago (17th ed.)

Black, James Allen, i Dean J. Champion. Methods and Issues in Social Research. Nueva York: Wiley, 1976.

Cita MLA (9th ed.)

Black, James Allen, i Dean J. Champion. Methods and Issues in Social Research. Wiley, 1976.