APA (7e ed.) Bronvermelding
Lewis, J. P. (2001). Project planning scheduling & control (3rd ed.). Tata McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Lewis, James P. Project Planning Scheduling & Control. 3rd ed. New Delhi: Tata McGraw-Hill, 2001.
MLA (9e ed.) Bronvermelding
Lewis, James P. Project Planning Scheduling & Control. 3rd ed. Tata McGraw-Hill, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.