Παραπομπή σε μορφή APA (7η εκδ.)

Bogdan, R. (2003). Qualitative research for education: An introduction to theory and methods (4th edition.). Allyn and Bacon.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bogdan, Robert. Qualitative Research for Education: An Introduction to Theory and Methods. 4th edition. Boston, Massachusetts: Allyn and Bacon, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bogdan, Robert. Qualitative Research for Education: An Introduction to Theory and Methods. 4th edition. Allyn and Bacon, 2003.