Gaya APA

Thumm, G, W., Janosik, E, G. (1967). Parties and The Governmental System A Book of Reading . New Jersey: Prentice Hall.

Gaya MLA

Thumm, Garold, W.., Janosik, Edward, G.. "Parties and The Governmental System A Book of Reading". New Jersey: Prentice Hall, 1967. Text.