Cita APA (7th ed.)

Black, T. R. (2002). Understanding social science research (2nd ed.). Sage.

Cita Chicago (17th ed.)

Black, Thomas R. Understanding Social Science Research. 2nd ed. London: Sage, 2002.

Cita MLA (9th ed.)

Black, Thomas R. Understanding Social Science Research. 2nd ed. Sage, 2002.