Gaya APA

Torok, R, M., Cordon, P, J. (2002). Operational Profitability; Systematic Approaches for Continuous Improvement (2). Canada: John Wiley & Sons.

Gaya MLA

Torok, Robert, M.., Cordon, Patrick, J.. "Operational Profitability; Systematic Approaches for Continuous Improvement". 2 Canada: John Wiley & Sons, 2002. Text.