APA (7th ed.) Zitazioa

Tryfos, P. (1996). Sampling methods for applied research: Text and cases. John Wiley.

Chicago Style (17th ed.) Zitazioa

Tryfos, Peter. Sampling Methods for Applied Research: Text and Cases. Nueva York: John Wiley, 1996.

MLA (9th ed.) Zitazioa

Tryfos, Peter. Sampling Methods for Applied Research: Text and Cases. John Wiley, 1996.