Graves, R., & Campbell, A. (1968). Creating customers. George Allen & Unwin.
Chicago Edition CitationGraves, Richard, i Allan Campbell. Creating Customers. London: George Allen & Unwin, 1968.
Cita MLAGraves, Richard, i Allan Campbell. Creating Customers. George Allen & Unwin, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.