Cofnodi Dyfyniadau
Dyfyniad APA
Portugal Ministério da Agricultura. (1920). [Portugal]. Ministério da Agricultura.
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Dyfyniad Arddull Chicago
Portugal Ministério da Agricultura. [Portugal]. Ministério da Agricultura, 1920.
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Dyfyniad MLA
Portugal Ministério da Agricultura. [Portugal]. Ministério da Agricultura, 1920.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.