2015 Portland International Conference on Management of Engineering and Technology (PICMET). IEEE.
Chicago-referens (17:e uppl.)2015 Portland International Conference on Management of Engineering and Technology (PICMET). IEEE.
MLA-referens (8:e uppl.)2015 Portland International Conference on Management of Engineering and Technology (PICMET). IEEE.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.