National Research Council (U.S.). Commission on Education in Agriculture and Natural Resources. Panel on Natural Resource Science & National Research Council. Commission on Education in Agriculture and Natural Resources. (1967). Undergraduate education in renewable natural resources: An assessment. National Academy of Sciences.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Commission on Education in Agriculture and Natural Resources. Panel on Natural Resource Science এবং National Research Council. Commission on Education in Agriculture and Natural Resources. Undergraduate Education in Renewable Natural Resources: An Assessment. Washington: National Academy of Sciences, 1967.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Commission on Education in Agriculture and Natural Resources. Panel on Natural Resource Science এবং National Research Council. Commission on Education in Agriculture and Natural Resources. Undergraduate Education in Renewable Natural Resources: An Assessment. National Academy of Sciences, 1967.