Dyfyniad APA

Yin, R. K. (1994). Case study research: Design and methods (2nd ed.). Sage Publications.

Dyfyniad Arddull Chicago

Yin, Robert K. Case Study Research: Design and Methods. 2nd ed. Thousand Oaks: Sage Publications, 1994.

Dyfyniad MLA

Yin, Robert K. Case Study Research: Design and Methods. 2nd ed. Sage Publications, 1994.

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