APA (7e ed.) Bronvermelding

International Symposium on Distribution, Characteristics and Utilization of Problem Soils Tsukuba, & Nihon Dojo Hiryo Gakkai. (1982). Proceedings of a symposium on tropical agriculture research, Tsukuba, October 19-26, 1981. Japanese Society of Soil Science and Plant Nutrition.

Chicago (17e ed.) Bronvermelding

International Symposium on Distribution, Characteristics and Utilization of Problem Soils Tsukuba, en Nihon Dojo Hiryo Gakkai. Proceedings of a Symposium on Tropical Agriculture Research, Tsukuba, October 19-26, 1981. Tokyo: Japanese Society of Soil Science and Plant Nutrition, 1982.

MLA (9e ed.) Bronvermelding

International Symposium on Distribution, Characteristics and Utilization of Problem Soils Tsukuba, en Nihon Dojo Hiryo Gakkai. Proceedings of a Symposium on Tropical Agriculture Research, Tsukuba, October 19-26, 1981. Japanese Society of Soil Science and Plant Nutrition, 1982.