APA-Zitierstil (7. Ausg.)

Campbell, M., & Brion, P. (2018). Communications skills for project managers (Unabridged.). Gildan Audio.

Chicago-Zitierstil (17. Ausg.)

Campbell, Michael, und Paul Brion. Communications Skills for Project Managers. Unabridged. New York: Gildan Audio, 2018.

MLA-Zitierstil (9. Ausg.)

Campbell, Michael, und Paul Brion. Communications Skills for Project Managers. Unabridged. Gildan Audio, 2018.