Gaya APA

J., O, J., Plotnick, F, L. (2006). CPM In Construction Management, Sixth Edition . New York: McGraw-Hill Company, Inc.

Gaya MLA

J., O'Brien, James., Plotnick, Fredric, L.. "CPM In Construction Management, Sixth Edition". New York: McGraw-Hill Company, Inc, 2006. Text.