Swanson, B. E. (1981). International directory of agricultural education institutions (1st edition.). University of Illinois. Bureau of educational research.
Cita Chicago Style (17a ed.)Swanson, Burton E. International Directory of Agricultural Education Institutions. 1st edition. Champaign, Illinois: University of Illinois. Bureau of educational research, 1981.
Cita MLA (8a ed.)Swanson, Burton E. International Directory of Agricultural Education Institutions. 1st edition. University of Illinois. Bureau of educational research, 1981.
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