Παραπομπή σε μορφή APA (7η εκδ.)

BOGDAN, R. (1975). Introduction to qualitative research methods: A phenomenological approach to the social sciences. John Wiley and Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

BOGDAN, Robert. Introduction to Qualitative Research Methods: A Phenomenological Approach to the Social Sciences. New York: John Wiley and Sons, 1975.

Παραπομπή σε μορφή MLA (9th εκδ.)

BOGDAN, Robert. Introduction to Qualitative Research Methods: A Phenomenological Approach to the Social Sciences. John Wiley and Sons, 1975.