Citazione APA

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.

Stile di citazione Chicago

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.

Citazione MLA

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.