APA-referens (7:e uppl.)
Singh, N. (2007). Problems and solutions in project management and control (Rev. ed.). Himalaya Pub. House.
Chicago-referens (17:e uppl.)
Singh, Narendra. Problems and Solutions in Project Management and Control. Rev. ed. Mumbai [India]: Himalaya Pub. House, 2007.
MLA-referens (9:e uppl.)
Singh, Narendra. Problems and Solutions in Project Management and Control. Rev. ed. Himalaya Pub. House, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.