Gaya APA
Peurifoy, R, L., SChexnayder, C, J. (2003).
Construction Planning, Equipment, and Methods (Ed.6).
Singapore:
McGraw-Hill.
Gaya MLA
Peurifoy, Robert, L.., SChexnayder, Clifford, J..
"Construction Planning, Equipment, and Methods".
Ed.6
Singapore:
McGraw-Hill,
2003.
Text.