(1991). Booker tropical soil manual: A hand book for soil survey and agricultural land evaluation in the tropics and Subtropics. New York: Longman Scientific & Technical.
Citação norma ChicagoBooker Tropical Soil Manual: A Hand Book for Soil Survey and Agricultural Land Evaluation in the Tropics and Subtropics. New York: Longman Scientific & Technical, 1991.
Citação norma MLABooker Tropical Soil Manual: A Hand Book for Soil Survey and Agricultural Land Evaluation in the Tropics and Subtropics. New York: Longman Scientific & Technical, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.