Gaya APA
Douglas, James. (1975).
Construction equipment policy .
:
McGraw-Hill Book Co..
Gaya Chicago
Douglas, James.
Construction equipment policy.
:
McGraw-Hill Book Co.,
1975.
Text.
Gaya MLA
Douglas, James.
Construction equipment policy.
:
McGraw-Hill Book Co.,
1975.
Text.
Gaya Turabian
Douglas, James.
Construction equipment policy.
:
McGraw-Hill Book Co.,
1975.
Print.