Gaya APA
Project Management Professional (PMP) Handbook. (2016).
:
Project Management Institute.
Gaya Chicago
Project Management Professional (PMP) Handbook.
.
:
Project Management Institute,
2016.
Text.
Gaya MLA
Project Management Professional (PMP) Handbook.
.
:
Project Management Institute,
2016.
Text.
Gaya Turabian
Project Management Professional (PMP) Handbook.
:
Project Management Institute,
2016.
Print.