Jong, J. D. d. (1941). Geological investigations in West Wetar, Lirang and Solor (Eastern Lesser Soenda Islands). Noord-Hollandsche.
Chicago-referens (17:e uppl.)Jong, Jan Diederik de. Geological Investigations in West Wetar, Lirang and Solor (Eastern Lesser Soenda Islands). Amsterdam: Noord-Hollandsche, 1941.
MLA-referens (8:e uppl.)Jong, Jan Diederik de. Geological Investigations in West Wetar, Lirang and Solor (Eastern Lesser Soenda Islands). Noord-Hollandsche, 1941.
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