ed. R.P SINGH. (1985). Directory of Central Oragnisation at Dehradun. Central soil & water conservation research and Training institute.
Cita Chicago (17th ed.)ed. R.P SINGH. Directory of Central Oragnisation at Dehradun. Dehradun: Central soil & water conservation research and Training institute, 1985.
Cita MLA (9th ed.)ed. R.P SINGH. Directory of Central Oragnisation at Dehradun. Central soil & water conservation research and Training institute, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.