Παραπομπή APA

Layder, D. (1994). Understanding social theory (2nd. Ed.). Sage.

Παραπομπή Chicago Style

Layder, Derek. Understanding Social Theory. 2nd. Ed. London ; Thousand Oaks, Calif.: Sage, 1994.

Παραπομπή MLA

Layder, Derek. Understanding Social Theory. 2nd. Ed. Sage, 1994.