Gaya APA
Greenstein, M., Vasarhelyi, M. (2002).
Electronic Commerce Security, Risk Management, and Control (Kedua).
Yogyakarta:
Salemba Empat.
Gaya MLA
Greenstein, Marilyn., Vasarhelyi, Miklos.
"Electronic Commerce Security, Risk Management, and Control".
Kedua
Yogyakarta:
Salemba Empat,
2002.
Text.