Dyfyniad APA

Westerman, M. D. (1993). The business environmental handbook. The Oasis Press/PSI Research.

Dyfyniad Arddull Chicago

Westerman, Martin D. The Business Environmental Handbook. Grants Pass, Oregon: The Oasis Press/PSI Research, 1993.

Dyfyniad MLA

Westerman, Martin D. The Business Environmental Handbook. The Oasis Press/PSI Research, 1993.

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