Ferrell, R. W. (1964). Customer-oriented planning. Taraporevala.
Chicago Edition CitationFerrell, Robert W. Customer-oriented Planning. Bombay: Taraporevala, 1964.
Cita MLAFerrell, Robert W. Customer-oriented Planning. Taraporevala, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.