Nicholoas, J. M. S. (2019). Project Management for Engineering, Business & Technology (5th.). Routledge.
Chicago-čujuhus (17. p.)Nicholoas, John M.; Steyn. Project Management for Engineering, Business & Technology. 5th. USA: Routledge, 2019.
MLA-čujuhus (9. p.)Nicholoas, John M.; Steyn. Project Management for Engineering, Business & Technology. 5th. Routledge, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.