APA引文

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 (17th ed.) Citation

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引文

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.