Gaya APA

Wilkinson, , , S, I, , , ., Kitschelt, , H. (2007). Patrons, Clients, and Policies . : Cambridge.New York.

Gaya MLA

Wilkinson, , , Steven, I., , , ., Kitschelt, , Herbert. "Patrons, Clients, and Policies ". : Cambridge.New York, 2007. Koleksi Elektronik.