Παραπομπή APA

Gadd, D. (2012). Sage handbook of criminological research methods. sage.

Παραπομπή Chicago Style

Gadd, David. Sage Handbook of Criminological Research Methods. Losangeles: sage, 2012.

Παραπομπή MLA

Gadd, David. Sage Handbook of Criminological Research Methods. sage, 2012.