Gaya APA

Heizer, J., Render, B. (2011). Operations management manajemen operasi buku 2 (Ed. 9). : Salemba Empat.

Gaya MLA

Heizer, Jay., Render, Barry. "Operations management manajemen operasi buku 2". Ed. 9 : Salemba Empat, 2011. Text.