ebrary, Inc, & Collins, R. J. (2011). Project management. Nova Science Publishers, Inc..
Cita Chicago (17th ed.)ebrary, Inc, i Robert J. Collins. Project Management. Hauppauge, NY: Nova Science Publishers, Inc., 2011.
Cita MLA (9th ed.)ebrary, Inc, i Robert J. Collins. Project Management. Nova Science Publishers, Inc., 2011.
Atenció: Aquestes cites poden no estar 100% correctes.