APA استشهاد

Stearns , P. N. (2008). Oxford encyclopedia of the modern world. Oxford University Press.

استشهاد بنمط شيكاغو

Stearns , Peter N. Oxford Encyclopedia of the Modern World. New York: Oxford University Press, 2008.

MLA استشهاد

Stearns , Peter N. Oxford Encyclopedia of the Modern World. Oxford University Press, 2008.