APA (7. basım) Alıntı

New York. Parker Publishing Company. (1965). Business etiquette handbook. [s.n.

Chicago Style (17. basım) Atıf

New York. Parker Publishing Company. Business Etiquette Handbook. West Nyack, N.Y: [s.n, 1965.

MLA (9th ed.) Atıf

New York. Parker Publishing Company. Business Etiquette Handbook. [s.n, 1965.