APA aipamena

UMAR, A. S. (2010). HOTSPOT BILLING SYSTEM.

Chicago Style aipamena

UMAR, AHMAD SYAIFUL. HOTSPOT BILLING SYSTEM. 2010.

MLA aipamena

UMAR, AHMAD SYAIFUL. HOTSPOT BILLING SYSTEM. 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.