Hill, A. F. (1972). Economic botany: A textbook of useful plants and plant products (9th ed.). Tata McGraw-Hill Publishing Company.
Chicago-čujuhus (17. p.)Hill, Albert F. Economic Botany: A Textbook of Useful Plants and Plant Products. 9th ed. New Delhi: Tata McGraw-Hill Publishing Company, 1972.
MLA-čujuhus (9. p.)Hill, Albert F. Economic Botany: A Textbook of Useful Plants and Plant Products. 9th ed. Tata McGraw-Hill Publishing Company, 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.