Heerkens, G. (2014). Project management. Mc Graw Hill.
Trích dẫn kiểu ChicagoHeerkens, Gary. Project Management. Mc Graw Hill, 2014.
MLA引文Heerkens, Gary. Project Management. Mc Graw Hill, 2014.
警告：這些引文格式不一定是100％准確.
APA引文
Heerkens, G. (2014). Project management. Mc Graw Hill.
Trích dẫn kiểu ChicagoHeerkens, Gary. Project Management. Mc Graw Hill, 2014.
MLA引文Heerkens, Gary. Project Management. Mc Graw Hill, 2014.