Gaya APA

F., H, A. (1952). Economic Botany : A Textbook of Useful Plants and Plant Products (Edisi Dua). new york: McGraw-Hill Book Company.

Gaya MLA

F., Hill, Albert. "Economic Botany : A Textbook of Useful Plants and Plant Products". Edisi Dua new york: McGraw-Hill Book Company, 1952. Text.