Thomas, A. S. (Julij 1946). »The Vegetation of Some Hillsides in Uganda: Illustrations of Human Influence in Tropical Ecology. II«. The Journal of Ecology. 33 (2): 153–172. Bibcode:1946JEcol..33..153T. doi:10.2307/2256463. JSTOR2256463.
Thomas, A. S. (Julij 1946). »The Vegetation of Some Hillsides in Uganda: Illustrations of Human Influence in Tropical Ecology. II«. The Journal of Ecology. 33 (2): 153–172. Bibcode:1946JEcol..33..153T. doi:10.2307/2256463. JSTOR2256463.
Thomas, A. S. (Julij 1946). »The Vegetation of Some Hillsides in Uganda: Illustrations of Human Influence in Tropical Ecology. II«. The Journal of Ecology. 33 (2): 153–172. Bibcode:1946JEcol..33..153T. doi:10.2307/2256463. JSTOR2256463.