APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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