Gaya APA
Ackerman, A, J., Locher, C, H. (1940).
Construction Planning And Plant .
New York:
McGraw-Hill book company.Inc.
Gaya MLA
Ackerman, Adolph, J.., Locher, Charles, H..
"Construction Planning And Plant".
New York:
McGraw-Hill book company.Inc,
1940.
Text.