Gaya APA
Hobbs, F.D.. (1981).
Planning for engineers and surveyors .
:
Pergamon Press.
Gaya Chicago
Hobbs, F.D..
Planning for engineers and surveyors.
:
Pergamon Press,
1981.
Text.
Gaya MLA
Hobbs, F.D..
Planning for engineers and surveyors.
:
Pergamon Press,
1981.
Text.
Gaya Turabian
Hobbs, F.D..
Planning for engineers and surveyors.
:
Pergamon Press,
1981.
Print.