Παραπομπή APA

Ferrell, R. W. (1970). Customer-oriented planning. D.B.Taraporewala.

Παραπομπή Chicago Style

Ferrell, Robert W. Customer-oriented Planning. Mumbai: D.B.Taraporewala, 1970.

Παραπομπή MLA

Ferrell, Robert W. Customer-oriented Planning. D.B.Taraporewala, 1970.