Vermunt, L. W. J. (1937). Geology of the province of Pinar del Rio, Cuba. L.W.J. Vermunt.
Lua i Stíl Chicago (17ú heag.)Vermunt, Louis Wilhelm Joseph. Geology of the Province of Pinar Del Rio, Cuba. Utrecht, Holland: L.W.J. Vermunt, 1937.
Lua MLA (8ú heag.)Vermunt, Louis Wilhelm Joseph. Geology of the Province of Pinar Del Rio, Cuba. L.W.J. Vermunt, 1937.
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