Hilton, J. L. (1985). Beltsville symposia in agricultural research. New Jersey: Powman And Allanheld.
शिकागो स्टाइल उद्धरणHilton, James L. Beltsville Symposia in Agricultural Research. New Jersey: Powman And Allanheld, 1985.
एमएलए उद्धरणHilton, James L. Beltsville Symposia in Agricultural Research. New Jersey: Powman And Allanheld, 1985.
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