APA استشهاد

Young, C. R. (1969). twelfth-century renaissance. Holt.

استشهاد بنمط شيكاغو

Young, Charles R. Twelfth-century Renaissance. New York: Holt, 1969.

MLA استشهاد

Young, Charles R. Twelfth-century Renaissance. Holt, 1969.