APA استشهاد

Palmer, A. (1960). Company secretarial practice/9e (9th ed.). Longmans.

استشهاد بنمط شيكاغو

Palmer, Alfred. Company Secretarial Practice/9e. 9th ed. London: Longmans, 1960.

MLA استشهاد

Palmer, Alfred. Company Secretarial Practice/9e. 9th ed. Longmans, 1960.