APA aipamena

Indian Council of Agricultural Research. National Bureau of Soil Survey and Land Use Planning. Regional Centre, Delhi. (1981). Soil survey and land use plan of Patiala District, Punjab. National Bureau of Soil Survey and Land Use Planning, Indian Council of Agricultural Research.

Chicago Style aipamena

Indian Council of Agricultural Research. National Bureau of Soil Survey and Land Use Planning. Regional Centre, Delhi. Soil Survey and Land Use Plan of Patiala District, Punjab. Nagpur: National Bureau of Soil Survey and Land Use Planning, Indian Council of Agricultural Research, 1981.

MLA aipamena

Indian Council of Agricultural Research. National Bureau of Soil Survey and Land Use Planning. Regional Centre, Delhi. Soil Survey and Land Use Plan of Patiala District, Punjab. National Bureau of Soil Survey and Land Use Planning, Indian Council of Agricultural Research, 1981.