Gobbett, D. J. (1968). Bibliography and index of the geology of West Malaysia and Singapore. Kesatuan Kajibumi Malaysia.
Lua i Stíl Chicago (17ú heag.)Gobbett, D. J. Bibliography and Index of the Geology of West Malaysia and Singapore. Kuala Lumpur: Kesatuan Kajibumi Malaysia, 1968.
Lua MLA (8ú heag.)Gobbett, D. J. Bibliography and Index of the Geology of West Malaysia and Singapore. Kesatuan Kajibumi Malaysia, 1968.
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