Cita APA (7th ed.)

Stewart, D. W., & Kamins, M. A. (1993). Secondary research: Information sources and methods (2nd ed.). Sage Publications.

Cita Chicago (17th ed.)

Stewart, David W., i Michael A. Kamins. Secondary Research: Information Sources and Methods. 2nd ed. Newbury Park: Sage Publications, 1993.

Cita MLA (8th ed.)

Stewart, David W., i Michael A. Kamins. Secondary Research: Information Sources and Methods. 2nd ed. Sage Publications, 1993.