Παραπομπή APA

Ferrell, R. W. (1964). Customer-oriented planning. Taraporevala.

Παραπομπή Chicago Style

Ferrell, Robert W. Customer-oriented Planning. Bombay: Taraporevala, 1964.

Παραπομπή MLA

Ferrell, Robert W. Customer-oriented Planning. Taraporevala, 1964.