Gaya APA
O’Brien, J, J., Plotnick, F, L. (2006).
CPM in Construction Management .
New York:
The McGraw-Hill Companies, Inc..
Gaya MLA
O’Brien, James, J.., Plotnick, Fredric, L..
"CPM in Construction Management".
New York:
The McGraw-Hill Companies, Inc.,
2006.
e-book.