TANG, S. (1991). Economics Feasibility Of Projects Managerial And Engineering Practice. McGraw-Hill.
Chicago-referens (17:e uppl.)TANG, S.L. Economics Feasibility Of Projects Managerial And Engineering Practice. McGraw-Hill, 1991.
MLA-referens (8:e uppl.)TANG, S.L. Economics Feasibility Of Projects Managerial And Engineering Practice. McGraw-Hill, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.