APA استشهاد

Abbott, L. D. (1973). Masterworks of Government. McGraw-Hill.

استشهاد بنمط شيكاغو

Abbott, Leonard Dalton. Masterworks of Government. New York: McGraw-Hill, 1973.

MLA استشهاد

Abbott, Leonard Dalton. Masterworks of Government. McGraw-Hill, 1973.