APA-viite (7. p.)

Leon, A. (1999). Fundamentals of Information Technology (2nd.). Vikas Publishing House PVT LTD.

Chicago-viite (17. p.)

Leon, Alexis. Fundamentals of Information Technology. 2nd. Noida: Vikas Publishing House PVT LTD, 1999.

MLA-viite (9. p.)

Leon, Alexis. Fundamentals of Information Technology. 2nd. Vikas Publishing House PVT LTD, 1999.