(1994). Agricultural ethics: Issues for the 21st century : proceedings of a symposium sponsored by the Soil Science Society of America, American Society of Agronomy, and the Crop Science Society of America in Minneapolis, MN, Oct. 31-Nov. 5, 1992. Madison: CSSA.
শিকাগো স্টাইলে সাইটেশনAgricultural Ethics: Issues for the 21st Century : Proceedings of a Symposium Sponsored By the Soil Science Society of America, American Society of Agronomy, and the Crop Science Society of America in Minneapolis, MN, Oct. 31-Nov. 5, 1992. Madison: CSSA, 1994.
এমএলএ সাইটেশনAgricultural Ethics: Issues for the 21st Century : Proceedings of a Symposium Sponsored By the Soil Science Society of America, American Society of Agronomy, and the Crop Science Society of America in Minneapolis, MN, Oct. 31-Nov. 5, 1992. Madison: CSSA, 1994.