Παραπομπή APA

Roffel, B., & Betlem, B. (2006). Advanced practical process control. Springer.

Παραπομπή Chicago Style

Roffel, B., και B.H Betlem. Advanced Practical Process Control. New Delhi: Springer, 2006.

Παραπομπή MLA

Roffel, B., και B.H Betlem. Advanced Practical Process Control. Springer, 2006.