(2016). Soil fertility and fertilizers: An introduction to nutrient management / John L. Havlin, North Carolina State University, Samuel L. Tisdale, late President, the Sulphur Institute, Werner L. Nelson, late Senior Vice President, Potash & Phosphate Institute, James D. Beaton, retired from Potash & Phosphate Institute and Potash & Phosphate Institute of Canada, formerly at Cominco Ltd., the Sulphor Institute, Ag Canada, and University of British Columbia.
Чикаго стиль цитування (17-те видання)Soil Fertility and Fertilizers: An Introduction to Nutrient Management / John L. Havlin, North Carolina State University, Samuel L. Tisdale, Late President, the Sulphur Institute, Werner L. Nelson, Late Senior Vice President, Potash & Phosphate Institute, James D. Beaton, Retired from Potash & Phosphate Institute and Potash & Phosphate Institute of Canada, Formerly at Cominco Ltd., the Sulphor Institute, Ag Canada, and University of British Columbia. 2016.
Стиль цитування MLA (9-ме видання)Soil Fertility and Fertilizers: An Introduction to Nutrient Management / John L. Havlin, North Carolina State University, Samuel L. Tisdale, Late President, the Sulphur Institute, Werner L. Nelson, Late Senior Vice President, Potash & Phosphate Institute, James D. Beaton, Retired from Potash & Phosphate Institute and Potash & Phosphate Institute of Canada, Formerly at Cominco Ltd., the Sulphor Institute, Ag Canada, and University of British Columbia. 2016.