Hajek, V. G. (1965). Project engineering: Profitable technical program management. McGraw-Hill.
Čikaški stil citiranjaHajek, Victor G. Project Engineering: Profitable Technical Program Management. McGraw-Hill, 1965.
MLA način citiranjaHajek, Victor G. Project Engineering: Profitable Technical Program Management. McGraw-Hill, 1965.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.