APA-viite (7. p.)

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

Chicago-viite (17. p.)

TRYFOS, Peter. Sampling Methods for Applied Research: Text and Cases. New York: John Wiley and Sons, 1996.

MLA-viite (9. p.)

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