Cita APA (7th ed.)

Black, J. A., & Champion, D. J. (1976). METHODS AND ISSUES IN SOCIAL RESEARCH. JOHN WILEY & SONS, INC.

Cita Chicago (17th ed.)

Black, James A., i Dean J. Champion. METHODS AND ISSUES IN SOCIAL RESEARCH. New York: JOHN WILEY & SONS, INC, 1976.

Cita MLA (9th ed.)

Black, James A., i Dean J. Champion. METHODS AND ISSUES IN SOCIAL RESEARCH. JOHN WILEY & SONS, INC, 1976.