Dyfyniad APA

Fink, A., & Kosecoff, J. (1998). How to conduct surveys: A step by step guide (2nd ed.). Sage.

Dyfyniad Arddull Chicago

Fink, Arlene, and Jacqueline Kosecoff. How to Conduct Surveys: A Step by Step Guide. 2nd ed. Thousand Oaks, Calif: Sage, 1998.

Dyfyniad MLA

Fink, Arlene, and Jacqueline Kosecoff. How to Conduct Surveys: A Step by Step Guide. 2nd ed. Sage, 1998.

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