Landon, J. R. (1991). Booker tropical soil manual: A hanbook for soil survey and agricultural land evaluation in the tropics and subtropics. Booker Tate.
Chicago-Zitierstil (17. Ausg.)Landon, John Richard. Booker Tropical Soil Manual: A Hanbook for Soil Survey and Agricultural Land Evaluation in the Tropics and Subtropics. London: Booker Tate, 1991.
MLA-Zitierstil (9. Ausg.)Landon, John Richard. Booker Tropical Soil Manual: A Hanbook for Soil Survey and Agricultural Land Evaluation in the Tropics and Subtropics. Booker Tate, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.