APA (7. basım) Alıntı

Clarke, G. T. (1959). Copywriting: Theory and technique. Harper.

Chicago Style (17. basım) Atıf

Clarke, George Timothy. Copywriting: Theory and Technique. New York: Harper, 1959.

MLA (9th ed.) Atıf

Clarke, George Timothy. Copywriting: Theory and Technique. Harper, 1959.