APA (7e ed.) Bronvermelding

RIGGS, J. L. (1969). Guide To Cost Reduction Thrugh Critical Path Scheduling James L. Riggs And Charles O. Heath. Prentice-Hall Inc.

Chicago (17e ed.) Bronvermelding

RIGGS, James L. Guide To Cost Reduction Thrugh Critical Path Scheduling James L. Riggs And Charles O. Heath. Prentice-Hall Inc, 1969.

MLA (8e ed.) Bronvermelding

RIGGS, James L. Guide To Cost Reduction Thrugh Critical Path Scheduling James L. Riggs And Charles O. Heath. Prentice-Hall Inc, 1969.