Gaya APA

Knod, E, M., Schonberger, , R, J. (2001). Operations Management: Meeting Customers Demands (7). : Salemba Empat.

Gaya MLA

Knod, Edward, M., Schonberger, , Richard, J. "Operations Management: Meeting Customers Demands". 7 : Salemba Empat, 2001. Text.