Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Freedman, Robin Lee Harris. Open-ended Questioning: A Handbook for Educators. Menlo Park, CA: Addison-Wesley, 1994.

Cita MLA (9th ed.)

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