APA استشهاد

Gardner, J. W. (1961). Excellence: Can we be Equal and Excellent Too? Harper and Row.

استشهاد بنمط شيكاغو

Gardner, John W. Excellence: Can We Be Equal and Excellent Too? New York: Harper and Row, 1961.

MLA استشهاد

Gardner, John W. Excellence: Can We Be Equal and Excellent Too? Harper and Row, 1961.