APA način citiranja (7. izdanje)

de Graaff, E., & Bouhuijs, P. A. (1993). Implementation of problem-based learning in higher education. Thesis Publishers.

Čikaški stil citiranja (17. izdanje)

de Graaff, Erik, i Peter A. Bouhuijs. Implementation of Problem-based Learning in Higher Education. Amsterdam: Thesis Publishers, 1993.

MLA način citiranja (9. izdanje)

de Graaff, Erik, i Peter A. Bouhuijs. Implementation of Problem-based Learning in Higher Education. Thesis Publishers, 1993.