Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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