Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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