Marti, D. B. (1979). To improve the soil and the mind: Agricultural societies, journals, and schools in the Northeastern States, 1791-1865. Published for the Agricultural History Society and the Dept. of Communication Arts, New York State College of Agriculture and Life Sciences, Cornell University by University Microfilms International.
Чикаго стиль цитування (17-те видання)Marti, Donald B. To Improve the Soil and the Mind: Agricultural Societies, Journals, and Schools in the Northeastern States, 1791-1865. Ann Arbor, Mich: Published for the Agricultural History Society and the Dept. of Communication Arts, New York State College of Agriculture and Life Sciences, Cornell University by University Microfilms International, 1979.
Стиль цитування MLA (8-ме видання)Marti, Donald B. To Improve the Soil and the Mind: Agricultural Societies, Journals, and Schools in the Northeastern States, 1791-1865. Published for the Agricultural History Society and the Dept. of Communication Arts, New York State College of Agriculture and Life Sciences, Cornell University by University Microfilms International, 1979.