Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.