Gaya APA

BOGDAN, R., Biklen, S, K. (0). QUALITATIVE RESEARCH FOR EDUCATION ANINTRODUCTION TO THEORY AND METHODS . Amerika: United States of America.

Gaya MLA

BOGDAN, Robert., Biklen, Sari, Knopp. "QUALITATIVE RESEARCH FOR EDUCATION ANINTRODUCTION TO THEORY AND METHODS". Amerika: United States of America, 0. Text.