Slack, N., & Lewis, M. (2011). Operations Strategy (2nd ed.). Pearson Education India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Slack, Nigel, agus Michael Lewis. Operations Strategy. 2nd ed. New Delhi: Pearson Education India Pvt. Ltd, 2011.
Lua MLA (9ú heag.)Slack, Nigel, agus Michael Lewis. Operations Strategy. 2nd ed. Pearson Education India Pvt. Ltd, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.