APA-Zitierstil (7. Ausg.)

Gabriel, H. W. (1971). Twenty steps to power, influence and control over people (20.print.). Prentice-Hall.

Chicago-Zitierstil (17. Ausg.)

Gabriel, Howard W. Twenty Steps to Power, Influence and Control over People. 20.print. Englewood Cliffs, N.J: Prentice-Hall, 1971.

MLA-Zitierstil (9. Ausg.)

Gabriel, Howard W. Twenty Steps to Power, Influence and Control over People. 20.print. Prentice-Hall, 1971.