Dyfyniad APA

Singh B.S. (2009). Essentials of supply chain management. Pearl books.

Dyfyniad Arddull Chicago

Singh B.S. Essentials of Supply Chain Management. New Delhi: Pearl books, 2009.

Dyfyniad MLA

Singh B.S. Essentials of Supply Chain Management. Pearl books, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.