Daellenbach, H., John A George, & Donald C McNickle. (1983). Introduction to operations research techniques/2e (2nd ed.). Auyn and bacop.

Daellenbach, Hans, John A George, and Donald C McNickle. Introduction to Operations Research Techniques/2e. 2nd ed. Baston: Auyn and bacop, 1983.

Daellenbach, Hans, et al. Introduction to Operations Research Techniques/2e. 2nd ed. Auyn and bacop, 1983.