Gaya APA

J., T, ,, R, M, ;, C, P. (2001). Operational profitability : systematic approaches for continuous improvement . USA: John Wiley And Sons.

Gaya MLA

J., Torok, ,, Robert, M., ;, Cordon, Patrick. "Operational profitability : systematic approaches for continuous improvement". USA: John Wiley And Sons, 2001. Text.