Cofnodi Dyfyniadau
Dyfyniad APA
ebrary, Inc, & Holgate, S. T. (1999). Air pollution and health. Academic Press.
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Dyfyniad Arddull Chicago
ebrary, Inc, and S. T. Holgate. Air Pollution and Health. San Diego, CA: Academic Press, 1999.
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Dyfyniad MLA
ebrary, Inc, and S. T. Holgate. Air Pollution and Health. Academic Press, 1999.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.