Cita APA (7th ed.)

Giffin, W. C. (1971). Introduction to operations engineering. Richard D. Irwin, Inc.

Cita Chicago (17th ed.)

Giffin, Walter C. Introduction to Operations Engineering. Homewood, Illinois: Richard D. Irwin, Inc, 1971.

Cita MLA (9th ed.)

Giffin, Walter C. Introduction to Operations Engineering. Richard D. Irwin, Inc, 1971.