APA Style

Heizer, J., Render, B. (2004). Operations Maanagement Manajemen Operasi (7th ed). Jakarta: Penerbit Salemba Empat.

MLA Style

Heizer, Jay., Render, Barry. "Operations Maanagement Manajemen Operasi". 7th ed Jakarta: Penerbit Salemba Empat, 2004. Text.