Cita APA (7a ed.)

Levin, G. (2010). Interpersonal Skills for Portfolio, Program, and Project Managers (1st edition.). Berrett-Koehler Publishers.

Cita Chicago Style (17a ed.)

Levin, Ginger. Interpersonal Skills for Portfolio, Program, and Project Managers. 1st edition. Berrett-Koehler Publishers, 2010.

Cita MLA (8a ed.)

Levin, Ginger. Interpersonal Skills for Portfolio, Program, and Project Managers. 1st edition. Berrett-Koehler Publishers, 2010.