Dyfyniad APA

DOBLER DONALD W. (1984). PURCHASING AND MATERIALS MANAGEMENT: TEXT AND CASES (4.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Dyfyniad Arddull Chicago

DOBLER DONALD W. PURCHASING AND MATERIALS MANAGEMENT: TEXT AND CASES. 4. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1984.

Dyfyniad MLA

DOBLER DONALD W. PURCHASING AND MATERIALS MANAGEMENT: TEXT AND CASES. 4. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1984.

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