Dyfyniad APA

McDermott, R. J., & Sarvela, P. D. (1999). Health education evaluation and measurement: A practitioner's perspective (2nd ed.). WCB/McGraw-Hill.

Dyfyniad Arddull Chicago

McDermott, Robert J., and Paul D. Sarvela. Health Education Evaluation and Measurement: A Practitioner's Perspective. 2nd ed. [Dubuque, IA]: WCB/McGraw-Hill, 1999.

Dyfyniad MLA

McDermott, Robert J., and Paul D. Sarvela. Health Education Evaluation and Measurement: A Practitioner's Perspective. 2nd ed. WCB/McGraw-Hill, 1999.

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