Gaya APA

Kuhlman, A., Philp, B. (2009). The orange code: how ING direct succeeded by being a rebel with a cause . Hoboken, New Jersey: John Wiley & Sons.

Gaya MLA

Kuhlman, Arkadi., Philp, Bruce. "The orange code: how ING direct succeeded by being a rebel with a cause". Hoboken, New Jersey: John Wiley & Sons, 2009. Buku/Printed Material.