Director General. (2019). Central Public Works Department Delhi Schedule of Rates 2019 Vol I (01st.). CPWD New Delhi.
Chicago-referens (17:e uppl.)Director General. Central Public Works Department Delhi Schedule of Rates 2019 Vol I. 01st. New Delhi: CPWD New Delhi, 2019.
MLA-referens (9:e uppl.)Director General. Central Public Works Department Delhi Schedule of Rates 2019 Vol I. 01st. CPWD New Delhi, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.