Dyfyniad APA

Hamel, J., Dufour, S., & Fortin, D. (1993). Case study methods. Sage Publications.

Dyfyniad Arddull Chicago

Hamel, Jacques, St�ephane Dufour, and Dominic Fortin. Case Study Methods. Newbury Park ; New Delhi: Sage Publications, 1993.

Dyfyniad MLA

Hamel, Jacques, et al. Case Study Methods. Sage Publications, 1993.

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