Khalil, A. A. R. (1990). Genesis and ecology of the vertisols of Eastern Sudan. Christian-Albrechts-Universitat zu Kiel.
Chicago Style (17th ed.) CitationKhalil, Ahmed Abdel Raouf. Genesis and Ecology of the Vertisols of Eastern Sudan. Kiel: Christian-Albrechts-Universitat zu Kiel, 1990.
MLA (8th ed.) CitationKhalil, Ahmed Abdel Raouf. Genesis and Ecology of the Vertisols of Eastern Sudan. Christian-Albrechts-Universitat zu Kiel, 1990.
Warning: These citations may not always be 100% accurate.