Gaya APA

Billington, S, L, N, D, W, M, P, J. (). Production planning and inventory control (Second edition). : Prentice hall international ,Inc.

Gaya MLA

Billington, Seetharama, L., Narasimhan,, Dennis, W., Mcleavey,, Peter, J.. "Production planning and inventory control". Second edition : Prentice hall international ,Inc, . Text.