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Dyfyniad Arddull ChicagoSingh, Amerika, and O P Garg Sharma. Integrated Post Management: Principles and Applications. New Delhi: CBS publishers, 2005.
Dyfyniad MLASingh, Amerika, and O P Garg Sharma. Integrated Post Management: Principles and Applications. CBS publishers, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.