Gaya APA

Sarkar, D. (2007). Lean for service organizations and offices : a holistic approach for achieving operational excellent and improvements . United State of America: ASQC Quality Press.

Gaya MLA

Sarkar, Debashis. "Lean for service organizations and offices : a holistic approach for achieving operational excellent and improvements". United State of America: ASQC Quality Press, 2007. Text.