Singh, K. (2023). Working plan for the East Dehradun Forest Division, Uttar Pradesh (1979-80 to 1988-89). Conservator of Forest Working Plans Circle, Uttar Pradesh.
Chicago-viite (17. p.)Singh, K.N. Working Plan for the East Dehradun Forest Division, Uttar Pradesh (1979-80 to 1988-89). Conservator of Forest Working Plans Circle, Uttar Pradesh, 2023.
MLA-viite (9. p.)Singh, K.N. Working Plan for the East Dehradun Forest Division, Uttar Pradesh (1979-80 to 1988-89). Conservator of Forest Working Plans Circle, Uttar Pradesh, 2023.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.