Cofnodi Dyfyniadau
Dyfyniad APA
Gonçalves Francisco. (1978). Carta geológica de Portugal na escala de 1: 50 000. Serviços Geológicos de Portugal.
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Dyfyniad Arddull Chicago
Gonçalves Francisco. Carta Geológica De Portugal Na Escala De 1: 50 000. Serviços Geológicos de Portugal, 1978.
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Dyfyniad MLA
Gonçalves Francisco. Carta Geológica De Portugal Na Escala De 1: 50 000. Serviços Geológicos de Portugal, 1978.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.