Haugan, G. (2001). Project Planning and Scheduling (1st edition.). Berrett-Koehler Publishers.
Cita Chicago Style (17a ed.)Haugan, Gregory. Project Planning and Scheduling. 1st edition. Berrett-Koehler Publishers, 2001.
Cita MLA (8a ed.)Haugan, Gregory. Project Planning and Scheduling. 1st edition. Berrett-Koehler Publishers, 2001.
Precaución: Estas citas no son 100% exactas.