ALEXANDER RALPH S. (1972). INDUSTRIAL MARKETING. D B TARAPOREVALA.
Chicago Style aipamenaALEXANDER RALPH S. INDUSTRIAL MARKETING. BOMBAY: D B TARAPOREVALA, 1972.
MLA aipamenaALEXANDER RALPH S. INDUSTRIAL MARKETING. D B TARAPOREVALA, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.