Cofnodi Dyfyniadau
Dyfyniad APA
Carvalhosa A. Barros e, Gonçalves Francisco, & Oliveira Vítor de. (1987). Carta geológica de Portugal na escala de 1: 50 000. Soc. Geológica de Portugal.
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Dyfyniad Arddull Chicago
Carvalhosa A. Barros e, Gonçalves Francisco, and Oliveira Vítor de. Carta Geológica De Portugal Na Escala De 1: 50 000. Soc. Geológica de Portugal, 1987.
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Dyfyniad MLA
Carvalhosa A. Barros e, et al. Carta Geológica De Portugal Na Escala De 1: 50 000. Soc. Geológica de Portugal, 1987.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.