Krajewski, L. J., & Ritzman, L. P. (1990). Operations Management: Strategy and Analysis (2nd ed.). Addison-Wesley Publishing Company, Inc.
Cita Chicago (17th ed.)Krajewski, Lee J., i Larry P. Ritzman. Operations Management: Strategy and Analysis. 2nd ed. Reading, Massachusetts: Addison-Wesley Publishing Company, Inc, 1990.
Cita MLA (9th ed.)Krajewski, Lee J., i Larry P. Ritzman. Operations Management: Strategy and Analysis. 2nd ed. Addison-Wesley Publishing Company, Inc, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.