Παραπομπή APA

Johnes, M. H. (1965). The marketing process: An introduction. Harper and Row.

Παραπομπή Chicago Style

Johnes, Manley Howe. The Marketing Process: An Introduction. New York: Harper and Row, 1965.

Παραπομπή MLA

Johnes, Manley Howe. The Marketing Process: An Introduction. Harper and Row, 1965.