APA aipamena

Kalakota, R. (1999). Frontiers of electronic commerce (2nd.). Addison Wesley.

Chicago Style aipamena

Kalakota, Ravi. Frontiers of Electronic Commerce. 2nd. Massachuse tts: Addison Wesley, 1999.

MLA aipamena

Kalakota, Ravi. Frontiers of Electronic Commerce. 2nd. Addison Wesley, 1999.