APA

Hill A. F., . (1979). Economic botany: A textbook of useful plants and plant products. : TATA McGraw-Hill Publishing Co., New Delhi.

Chicago

Hill Albert F, . 1979. Economic botany: A textbook of useful plants and plant products. : TATA McGraw-Hill Publishing Co., New Delhi.

Harvard

Hill A. F., . (1979). Economic botany: A textbook of useful plants and plant products. : TATA McGraw-Hill Publishing Co., New Delhi.

MLA

Hill Albert F, . Economic botany: A textbook of useful plants and plant products. : TATA McGraw-Hill Publishing Co., New Delhi. 1979.