Hill, A. F. (1952). Economic botony: A text book of useful plants and plant products (2nd ed.). McGraw-Hill.
Styl ChicagoHill, Albert F. Economic Botony: A Text Book of Useful Plants and Plant Products. 2nd ed. Newyork: McGraw-Hill, 1952.
Citace podle MLAHill, Albert F. Economic Botony: A Text Book of Useful Plants and Plant Products. 2nd ed. McGraw-Hill, 1952.
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