Gaya APA

Peppard, J., Rowland, P. (1997). THE ESSENCE OF BUSINESS PROCESS RE-ENGINEERING . Yogyakarta: PT ANDI.

Gaya MLA

Peppard, Joe., Rowland, Philip. "THE ESSENCE OF BUSINESS PROCESS RE-ENGINEERING". Yogyakarta: PT ANDI, 1997. Buku.