Conference on Classification and Management of Tropical Soils Kuala Lumpur, Malaysia, Malaysian Society of Soil Science, & Joseph, K. T. (1980). Proceedings of the Conference on Classification and Management of Tropical Soils, 1977, Kuala Lumpur. Malaysian Society of Soil Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Conference on Classification and Management of Tropical Soils Kuala Lumpur, Malaysia, Malaysian Society of Soil Science, و K. T. Joseph. Proceedings of the Conference on Classification and Management of Tropical Soils, 1977, Kuala Lumpur. Kuala Lumpur, Malaysia: Malaysian Society of Soil Science, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Conference on Classification and Management of Tropical Soils Kuala Lumpur, Malaysia, et al. Proceedings of the Conference on Classification and Management of Tropical Soils, 1977, Kuala Lumpur. Malaysian Society of Soil Science, 1980.