Gaya APA

Chopra, S., Meindl, P. (2010). Supply chain management : strategy, planning, and operation, Ed. 4 . USA: Pearson Education.

Gaya MLA

Chopra, Sunil., Meindl, Peter. "Supply chain management : strategy, planning, and operation, Ed. 4". USA: Pearson Education, 2010. Text.