Cofnodi Dyfyniadau
Dyfyniad APA
Lamego Alberto Ribeiro. (1960). Mapa geológico do Brasil. Ministério da Agricultura.
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Dyfyniad Arddull Chicago
Lamego Alberto Ribeiro. Mapa Geológico Do Brasil. Ministério da Agricultura, 1960.
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Dyfyniad MLA
Lamego Alberto Ribeiro. Mapa Geológico Do Brasil. Ministério da Agricultura, 1960.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.