Gaya APA

Zsidisin, G, A., Ritchie, B. (2009). Supply Chain Risk- A Handbook of Assessment, Management, and Performance . New York: Springer Science.

Gaya MLA

Zsidisin, George, A.., Ritchie, Bob. "Supply Chain Risk- A Handbook of Assessment, Management, and Performance". New York: Springer Science, 2009. Text.