Vletter, D. R. d. (1946). Geology of the western part of middle Oriente, Cuba (west of Holguin). Kemink.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVletter, D. Robert de. Geology of the Western Part of Middle Oriente, Cuba (west of Holguin). Utrecht: Kemink, 1946.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVletter, D. Robert de. Geology of the Western Part of Middle Oriente, Cuba (west of Holguin). Kemink, 1946.
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