Gaya APA

Pasaribu, J, B. (2001). Very small aperture terminal VSAT AS an alternative to public switch telephone networks PSTN (Cet. 1). : LKIp.

Gaya MLA

Pasaribu, John, B.. "Very small aperture terminal VSAT AS an alternative to public switch telephone networks PSTN". Cet. 1 : LKIp, 2001. Text.