Παραπομπή APA

Hill, M., & Irving, Z. (2009). Understanding social policy (8th ed.). Wiley- Blackwell.

Παραπομπή Chicago Style

Hill, Michael, και Zoe Irving. Understanding Social Policy. 8th ed. UK: Wiley- Blackwell, 2009.

Παραπομπή MLA

Hill, Michael, και Zoe Irving. Understanding Social Policy. 8th ed. Wiley- Blackwell, 2009.