Cofnodi Dyfyniadau
Dyfyniad APA
(19). Planta da cidade de Porto Alegre. s.n.
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Dyfyniad Arddull Chicago
Planta Da Cidade De Porto Alegre. s.n, 19.
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Dyfyniad MLA
Planta Da Cidade De Porto Alegre. s.n, 19.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.