Gaya APA

ETTKIN, L, P., DILWORTH, J, B. (1989). STUDY GUIDE FOR PRODUCTION AND OPERATIONS MANAGEMENT: MANUFACTURING AND NONMANUFACTURING (Fourth Edition). New York: RANDOM HOUSE.

Gaya MLA

ETTKIN, Lawrence, P.., DILWORTH, JAMES, B.. "STUDY GUIDE FOR PRODUCTION AND OPERATIONS MANAGEMENT: MANUFACTURING AND NONMANUFACTURING". Fourth Edition New York: RANDOM HOUSE, 1989. Textbook.