Gaya APA
Kerridge, A, E., Vervalin, C, H. (1986).
Engineering & construction project management. (1986).
:
Houston : Gulf Publishing Company,.
Gaya MLA
Kerridge, Arthur, E.., Vervalin, Charles, H..
"Engineering & construction project management.".
1986
:
Houston : Gulf Publishing Company,,
1986.
Text.