Cita APA

Posner, M. J. (1982). Executive essentials. New York: Avon Books.

Chicago Style Citation

Posner, Mitchell J. Executive Essentials. New York: Avon Books, 1982.

Cita MLA

Posner, Mitchell J. Executive Essentials. New York: Avon Books, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.