Alexander, R. S., Cross, J. S., & Hill, R. M. (1972). Industrial marketing (3rd ed.). Taraporevala.
Chicago Edition CitationAlexander, Ralph S., James S. Cross, i Richard M. Hill. Industrial Marketing. 3rd ed. Bombay: Taraporevala, 1972.
Cita MLAAlexander, Ralph S., et al. Industrial Marketing. 3rd ed. Taraporevala, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.