Gaya APA

RUSSELL, R, S., W., T, I, B. (2011). Operations management, 7th edition (7th edition). Singapura: John Wiley.

Gaya MLA

RUSSELL, Roberta, S,., W., TAYLOR, III,, Bernard. "Operations management, 7th edition". 7th edition Singapura: John Wiley, 2011. Text.