Cita APA (7a ed.)
Heldman, K. (2002). PMP: Project management professional study guide. SYBEX.
Cita Chicago Style (17a ed.)
Heldman, Kim. PMP: Project Management Professional Study Guide. Alameda, CA: SYBEX, 2002.
Cita MLA (9a ed.)
Heldman, Kim. PMP: Project Management Professional Study Guide. SYBEX, 2002.
Precaución: Estas citas no son 100% exactas.