Cofnodi Dyfyniadau
Dyfyniad APA
Palacio Valdés Armando, Tavares A. Madeira, & Martinho Eduardo Antunes. Riverita.
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Dyfyniad Arddull Chicago
Palacio Valdés Armando, Tavares A. Madeira, and Martinho Eduardo Antunes. Riverita.
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Dyfyniad MLA
Palacio Valdés Armando, et al. Riverita.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.