APA (7. basım) Alıntı

Elfenbein, J. (1973). Business letters and communication. Alexander hamilton Inc.

Chicago Style (17. basım) Atıf

Elfenbein, Julien. Business Letters and Communication. New York: Alexander hamilton Inc, 1973.

MLA (9th ed.) Atıf

Elfenbein, Julien. Business Letters and Communication. Alexander hamilton Inc, 1973.