APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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