Gaya APA

Schapmeier, E, L., Schapmeier, F, H. (1981). Political Parties and Civic Action Groups (1). united states of america: Greenwood Press.London.

Gaya MLA

Schapmeier, Edward, L.., Schapmeier, Frederick, H.. "Political Parties and Civic Action Groups". 1 united states of america: Greenwood Press.London, 1981. Referensi.