Posner, M. J. (1982). Executive essentials: The one guide to what every rising business person should know. Avon Books.
Chicago-Zitierstil (17. Ausg.)Posner, Mitchell J. Executive Essentials: The One Guide to What Every Rising Business Person Should Know. New York: Avon Books, 1982.
MLA-Zitierstil (9. Ausg.)Posner, Mitchell J. Executive Essentials: The One Guide to What Every Rising Business Person Should Know. Avon Books, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.