APA استشهاد

Goodspeed,Stephen S. (1967). Nature and function of International Organization (2nd ed.). Oxford.

استشهاد بنمط شيكاغو

Goodspeed,Stephen S. Nature and Function of International Organization. 2nd ed. New York: Oxford, 1967.

MLA استشهاد

Goodspeed,Stephen S. Nature and Function of International Organization. 2nd ed. Oxford, 1967.