(2007). Polish Polar Research. Polish Academy of Sciences.
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Dyfyniad Arddull Chicago
Polish Polar Research. Polish Academy of Sciences, 2007.
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Dyfyniad MLA
Polish Polar Research. Polish Academy of Sciences, 2007.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.