Gaya APA

Bogdan, R, C., Biklen, S, K. (2007). Qualitative Research for Education : An Introduction to Theories and Methods Ed. 5'th (5). Boston: Pearson Education.

Gaya MLA

Bogdan, Robert, C.., Biklen, Sari, Knopp. "Qualitative Research for Education : An Introduction to Theories and Methods Ed. 5'th". 5 Boston: Pearson Education, 2007. Text.