Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Levin, Ginger. Interpersonal Skills for Portfolio, Program, and Project Managers. Oakland: Berrett-Koehler Publishers, Incorporated, 2010.

Cita MLA (8a ed.)

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