Παραπομπή APA

Christensen, D. A. (1983). Soil loss associated with alcohol production from corn grain and corn residue. Ames: Center for Agricultural and Rural Development. Iowa State University.

Παραπομπή Chicago Style

Christensen, Douglas A. Soil Loss Associated With Alcohol Production From Corn Grain and Corn Residue. Ames: Center for Agricultural and Rural Development. Iowa State University, 1983.

Παραπομπή MLA

Christensen, Douglas A. Soil Loss Associated With Alcohol Production From Corn Grain and Corn Residue. Ames: Center for Agricultural and Rural Development. Iowa State University, 1983.

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