Alexander, R. S. (1972). Industrial marketing (3rd ed.). D.B. Taraporevala.
Chicago Style aipamenaAlexander, Ralph S. Industrial Marketing. 3rd ed. Bombay: D.B. Taraporevala, 1972.
MLA aipamenaAlexander, Ralph S. Industrial Marketing. 3rd ed. D.B. Taraporevala, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.