WEBSTER, C. (1966). Agriculture in the tropics. The English Language Book Society and Longman.
Cita Chicago (17th ed.)WEBSTER, C.C. Agriculture in the Tropics. London: The English Language Book Society and Longman, 1966.
Cita MLA (9th ed.)WEBSTER, C.C. Agriculture in the Tropics. The English Language Book Society and Longman, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.