APA (7e ed.) Bronvermelding

Guba, E. G., & Lincoln, Y. S. (1981). Effective evaluation. Jossey-Bass Publishers.

Chicago (17e ed.) Bronvermelding

Guba, Egon G., en Yvonna S. Lincoln. Effective Evaluation. San Francisco: Jossey-Bass Publishers, 1981.

MLA (8e ed.) Bronvermelding

Guba, Egon G., en Yvonna S. Lincoln. Effective Evaluation. Jossey-Bass Publishers, 1981.