Cita APA (7th ed.)

SAPIEN MIKE. (1997). MASTERING ISDN. BPB PUBLICATIONS.

Cita Chicago (17th ed.)

SAPIEN MIKE. MASTERING ISDN. NEW DELHI: BPB PUBLICATIONS, 1997.

Cita MLA (9th ed.)

SAPIEN MIKE. MASTERING ISDN. BPB PUBLICATIONS, 1997.