Gobbett, D. J. (1968). Bibliography and index of the geology of West Malaysia and Singapore. Kesatuan Kajibumi Malaysia.
Chicago-viite (17. p.)Gobbett, D. J. Bibliography and Index of the Geology of West Malaysia and Singapore. Kuala Lumpur: Kesatuan Kajibumi Malaysia, 1968.
MLA-viite (8. p.)Gobbett, D. J. Bibliography and Index of the Geology of West Malaysia and Singapore. Kesatuan Kajibumi Malaysia, 1968.
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