Campanella, J. (1990). Principles of quality costs: Principles, implementation, and use (2nd ed.). ASQC Quality Press.
Dyfyniad Arddull ChicagoCampanella, Jack. Principles of Quality Costs: Principles, Implementation, and Use. 2nd ed. Milwaukee, Wis: ASQC Quality Press, 1990.
Dyfyniad MLACampanella, Jack. Principles of Quality Costs: Principles, Implementation, and Use. 2nd ed. ASQC Quality Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.