ed. R.P SINGH. (1985). Directory of Central Oragnisation at Dehradun. Central soil & water conservation research and Training institute.
Citazione stile Chigago Style (17a edizione)ed. R.P SINGH. Directory of Central Oragnisation at Dehradun. Dehradun: Central soil & water conservation research and Training institute, 1985.
Citatione MLA (9a ed.)ed. R.P SINGH. Directory of Central Oragnisation at Dehradun. Central soil & water conservation research and Training institute, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.