APA Citatie

Fraenkel, J. R., & Wallen, N. E. How to design and evaluate research education (Ed.2.).

Chicago Style citaat

Fraenkel, Jack R., en Norman E. Wallen. How to Design and Evaluate Research Education. Ed.2. New York, Mcgraw Hill Inc.

MLA citatie

Fraenkel, Jack R., en Norman E. Wallen. How to Design and Evaluate Research Education. Ed.2.