Gaya APA
Lock, Dennis. (1987).
Project Management Handbook .
Britain:
A Gower Handbook.
Gaya Chicago
Lock, Dennis.
Project Management Handbook.
Britain:
A Gower Handbook,
1987.
Text.
Gaya MLA
Lock, Dennis.
Project Management Handbook.
Britain:
A Gower Handbook,
1987.
Text.
Gaya Turabian
Lock, Dennis.
Project Management Handbook.
Britain:
A Gower Handbook,
1987.
Print.