Παραπομπή APA

Denzin, N. K. (2008). Collecting and interpreting qualitative materials. Sage.

Παραπομπή Chicago Style

Denzin, Norman K. Collecting and Interpreting Qualitative Materials. New Delhi: Sage, 2008.

Παραπομπή MLA

Denzin, Norman K. Collecting and Interpreting Qualitative Materials. Sage, 2008.