APA
(1994). Kompass, product & services, Vol.3. Teledirect (Informatics) India Ltd: .
Chicago
1994. Kompass, product & services, Vol.3. Teledirect (Informatics) India Ltd: .
Harvard
(1994). Kompass, product & services, Vol.3. Teledirect (Informatics) India Ltd: .
MLA
Kompass, product & services, Vol.3. Teledirect (Informatics) India Ltd: . 1994.