Cofnodi Dyfyniadau
Dyfyniad APA
Carvalho Abílio Pacheco de & Estados Unidos da América Fuel Administration. (1918). Mine more coal. U.S.F.A.
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Dyfyniad Arddull Chicago
Carvalho Abílio Pacheco de and Estados Unidos da América Fuel Administration. Mine More Coal. U.S.F.A, 1918.
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Dyfyniad MLA
Carvalho Abílio Pacheco de and Estados Unidos da América Fuel Administration. Mine More Coal. U.S.F.A, 1918.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.