Whyte, R. O. (1960). Crop production and environment ([New ed.].). Faber and Faber.
Cita Chicago (17th ed.)Whyte, R. O. Crop Production and Environment. [New ed.]. London: Faber and Faber, 1960.
Cita MLA (8th ed.)Whyte, R. O. Crop Production and Environment. [New ed.]. Faber and Faber, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.