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Dyfyniad Arddull ChicagoBidhi, Chand. Commerce and Business Thought. New Delhi: Deep & Deep publications, 1995.
Dyfyniad MLABidhi, Chand. Commerce and Business Thought. Deep & Deep publications, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.