APA (7e ed.) Bronvermelding

Rossi, P. H., & Freeman, H. E. (1985). Evaluation: A systematic approach (3rd ed.). Sage.

Chicago (17e ed.) Bronvermelding

Rossi, Peter H., en Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. Beverly Hills: Sage, 1985.

MLA (8e ed.) Bronvermelding

Rossi, Peter H., en Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. Sage, 1985.