Penggayaan APA
HEERKENS, Gary R.. (2005).
Project management : .
New York:
McGraw-Hill.
Chicago Style
HEERKENS, Gary R..
Project management :.
New York:
McGraw-Hill,
2005.
Buku.
MLA Style
HEERKENS, Gary R..
Project management :.
New York:
McGraw-Hill,
2005.
Buku.
Turabian Style
HEERKENS, Gary R..
Project management :.
New York:
McGraw-Hill,
2005.
Buku.