APA Style

Graubard, S, R. (1991). Eastern Europe ... Central Europe ... Europe / Stephen R. Graubard (1). San Francisco: Westview Press.

MLA Style

Graubard, Stephen, R.. "Eastern Europe ... Central Europe ... Europe / Stephen R. Graubard". 1 San Francisco: Westview Press, 1991. Textbook ห้องสมุดทั่วไป.