Gaya APA
Pilcher, R. (1967).
PRINCIPLES OF CONSTRUCTION MANAGEMENT SECOND EDITION (2).
UNITED KINGDOM:
McGRAW-HILL Book Company.
Gaya MLA
Pilcher, Roy.
"PRINCIPLES OF CONSTRUCTION MANAGEMENT SECOND EDITION".
2
UNITED KINGDOM:
McGRAW-HILL Book Company,
1967.
Text.