APA-ийн эшлэл(7 дахь хэвлэлт)

Schmidt, S. W., & Shelley, M. C. (1991). American government and politics today. West.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Schmidt, Steffen W., ба Mack C. Shelley. American Government and Politics Today. Saint Paul: West, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Schmidt, Steffen W., ба Mack C. Shelley. American Government and Politics Today. West, 1991.