APA (7th ed.) Zitazioa

O'Brien, J. J. (1965). CPM in construction management. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

O'Brien, James J. CPM in Construction Management. Nueva York: McGraw-Hill, 1965.

MLA (9th ed.) Zitazioa

O'Brien, James J. CPM in Construction Management. McGraw-Hill, 1965.