Dyfyniad APA

Beckman, S. L., & Sara L. Beckman; Donald B. Rosenfield. (2008). Operations strategy: Competing in the 21st century. Boston: McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Beckman, Sara L., và Sara L. Beckman; Donald B. Rosenfield. Operations Strategy: Competing in the 21st Century. Boston: McGraw-Hill/Irwin, 2008.

Dyfyniad MLA

Beckman, Sara L., và Sara L. Beckman; Donald B. Rosenfield. Operations Strategy: Competing in the 21st Century. Boston: McGraw-Hill/Irwin, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.