APA (7e ed.) Bronvermelding

Rossi, P. H., & Freeman, H. E. (1993). Evaluation: A systematic approach (5th ed.). Sage Pub.

Chicago (17e ed.) Bronvermelding

Rossi, Peter Henry, en Howard E. Freeman. Evaluation: A Systematic Approach. 5th ed. Newbury Park, CA: Sage Pub, 1993.

MLA (9e ed.) Bronvermelding

Rossi, Peter Henry, en Howard E. Freeman. Evaluation: A Systematic Approach. 5th ed. Sage Pub, 1993.