Παραπομπή APA

Weida, N. C., Richardson, r., & Vazsonyi, A. (2001). Operations. Duxbury.

Παραπομπή Chicago Style

Weida, Nancy C., ronny Richardson, και Andrew Vazsonyi. Operations. Australia: Duxbury, 2001.

Παραπομπή MLA

Weida, Nancy C., et al. Operations. Duxbury, 2001.