RIGGS, J. L. (1969). Guide To Cost Reduction Thrugh Critical Path Scheduling James L. Riggs And Charles O. Heath. Prentice-Hall Inc.
Lua i Stíl Chicago (17ú heag.)RIGGS, James L. Guide To Cost Reduction Thrugh Critical Path Scheduling James L. Riggs And Charles O. Heath. Prentice-Hall Inc, 1969.
Lua MLA (8ú heag.)RIGGS, James L. Guide To Cost Reduction Thrugh Critical Path Scheduling James L. Riggs And Charles O. Heath. Prentice-Hall Inc, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.