Gaya APA
Peppard, J., Rowland, P. (1995).
The essence of business process re-engineering .
Amerika Serikat:
Prentice-Hall International.
Gaya MLA
Peppard, Joe., Rowland, Philip.
"The essence of business process re-engineering".
Amerika Serikat:
Prentice-Hall International,
1995.
Text.