McDermott, R. J., & Sarvela, P. D. (1999). Health education evaluation and measurement: A practitioner's perspective (2nd ed.). WCB/McGraw-Hill.
Citazione stile Chigago Style (17a edizione)McDermott, Robert J., e Paul D. Sarvela. Health Education Evaluation and Measurement: A Practitioner's Perspective. 2nd ed. [Dubuque, IA]: WCB/McGraw-Hill, 1999.
Citatione MLA (9a ed.)McDermott, Robert J., e Paul D. Sarvela. Health Education Evaluation and Measurement: A Practitioner's Perspective. 2nd ed. WCB/McGraw-Hill, 1999.