Cita APA (7th ed.)

Newgarden, A. (1960). The field sales manager: A manual practice. American Management Association.

Cita Chicago (17th ed.)

Newgarden, Albert. The Field Sales Manager: A Manual Practice. New York: American Management Association, 1960.

Cita MLA (9th ed.)

Newgarden, Albert. The Field Sales Manager: A Manual Practice. American Management Association, 1960.