Παραπομπή APA

Light H R. (1969). Business executive /2e: A guide to effective performance in business (2nd ed.). Sir Isaac Pitman.

Παραπομπή Chicago Style

Light H R. Business Executive /2e: A Guide to Effective Performance in Business. 2nd ed. London: Sir Isaac Pitman, 1969.

Παραπομπή MLA

Light H R. Business Executive /2e: A Guide to Effective Performance in Business. 2nd ed. Sir Isaac Pitman, 1969.