APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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