Gaya APA

McClain, J, O. et al (1992). Operations management : production of goods and services . Englewood, Cliffs,N.J: Prentice-Hall, Inc.

Gaya MLA

McClain, John, O. et al. "Operations management : production of goods and services". Englewood, Cliffs,N.J: Prentice-Hall, Inc, 1992. Text.