Cofnodi Dyfyniadau
Dyfyniad APA
Zbyszewski Georges, Manuppella Giuseppe, & Ferreira O. da Veiga. (1971). Carta geológica de Portugal na escala de l: 50 000. Serviços Geológicos de Portugal.
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Dyfyniad Arddull Chicago
Zbyszewski Georges, Manuppella Giuseppe, and Ferreira O. da Veiga. Carta Geológica De Portugal Na Escala De L: 50 000. Serviços Geológicos de Portugal, 1971.
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Dyfyniad MLA
Zbyszewski Georges, et al. Carta Geológica De Portugal Na Escala De L: 50 000. Serviços Geológicos de Portugal, 1971.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.