Hill, A. F. (1976). Economic botany: A textbook of useful plants and plant products (10th ed.). Tata McGraw-Hill Publishing Company.
Cita Chicago (17th ed.)Hill, Albert F. Economic Botany: A Textbook of Useful Plants and Plant Products. 10th ed. New Delhi: Tata McGraw-Hill Publishing Company, 1976.
Cita MLA (9th ed.)Hill, Albert F. Economic Botany: A Textbook of Useful Plants and Plant Products. 10th ed. Tata McGraw-Hill Publishing Company, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.