Cita APA (7a ed.)

Ferrell, R. W. (1964). Customer-oriented planning (2nd printing.). American Management Association.

Cita Chicago Style (17a ed.)

Ferrell, Robert W. Customer-oriented Planning. 2nd printing. New York: American Management Association, 1964.

Cita MLA (9a ed.)

Ferrell, Robert W. Customer-oriented Planning. 2nd printing. American Management Association, 1964.