Cofnodi Dyfyniadau
Dyfyniad APA
(1995). Austria. OECD Publishing.
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Dyfyniad Arddull Chicago
Austria. Paris: OECD Publishing, 1995.
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Dyfyniad MLA
Austria. OECD Publishing, 1995.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.