Gaya APA

Collier, E, C. (1991). Bipartisanship and the making of foreign policy : a historical survey . London and New York: London.Westview Press.

Gaya MLA

Collier, Ellen, C.. "Bipartisanship and the making of foreign policy : a historical survey". London and New York: London.Westview Press, 1991. Koleksi Elektronik.