Gaya APA

DeVuyst, E, A. (1991). An Economic Comparison of Narrow Row Cropping Systems and Conventional Row Cropping Systems in Michigan's Thumb and Saginaw Valley . : .

Gaya MLA

DeVuyst, Eric, Allen. "An Economic Comparison of Narrow Row Cropping Systems and Conventional Row Cropping Systems in Michigan's Thumb and Saginaw Valley". : , 1991. Text.