APA-Zitierstil (7. Ausg.)

Freedman, R. L. (1994). Open-ended questioning: A handbook for educators. Addison-Wesley.

Chicago-Zitierstil (17. Ausg.)

Freedman, Robin L. Open-ended Questioning: A Handbook for Educators. Menlo Park, Calif. u.a: Addison-Wesley, 1994.

MLA-Zitierstil (9. Ausg.)

Freedman, Robin L. Open-ended Questioning: A Handbook for Educators. Addison-Wesley, 1994.