Gaya APA

Couloumbis, T, A, &, W, J, H. (1990). Introduction to international relations: Power and justice, 4th ed. . Englewood Cliffs: Englewood Cliffs Prentice Hall.

Gaya MLA

Couloumbis, Theodore, A., &, Wolfe,, James, H.. "Introduction to international relations: Power and justice, 4th ed. ". Englewood Cliffs: Englewood Cliffs Prentice Hall, 1990. Buku.