APA (7. basım) Alıntı

Elfenbein, J. (1972). Business letters and communications (1a. ed.). Alexander Hamilton Institute.

Chicago Style (17. basım) Atıf

Elfenbein, Julien. Business Letters and Communications. 1a. ed. Nueva York: Alexander Hamilton Institute, 1972.

MLA (9th ed.) Atıf

Elfenbein, Julien. Business Letters and Communications. 1a. ed. Alexander Hamilton Institute, 1972.