APA-referens

R C Leffel. (1961). Planting date and varietial effects on agronomic and seed compositional characters in soybeans. Maryland: University of Maryland.

Chicago-stil citat

R C Leffel. Planting Date and Varietial Effects On Agronomic and Seed Compositional Characters in Soybeans. Maryland: University of Maryland, 1961.

MLA-referens

R C Leffel. Planting Date and Varietial Effects On Agronomic and Seed Compositional Characters in Soybeans. Maryland: University of Maryland, 1961.

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