Hill, A. F. (1972). Economic botany: A textbook of useful plants and plant products (9th ed.). Tata McGraw-Hill Publishing Company.
Citace podle Chicago (17th ed.)Hill, Albert F. Economic Botany: A Textbook of Useful Plants and Plant Products. 9th ed. New Delhi: Tata McGraw-Hill Publishing Company, 1972.
Citace podle MLA (9th ed.)Hill, Albert F. Economic Botany: A Textbook of Useful Plants and Plant Products. 9th ed. Tata McGraw-Hill Publishing Company, 1972.
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