Cita APA (7th ed.)
Lewis, J. P. (2011). Project Planning Scheduling & Control (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Lewis, James P. Project Planning Scheduling & Control. 5th ed. New York: McGraw-Hill, 2011.
Cita MLA (9th ed.)
Lewis, James P. Project Planning Scheduling & Control. 5th ed. McGraw-Hill, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.