GOPAL. (1995). PRACTICAL GUIDE TO NEW REGISTRATION................CENTRAL EXCISE LAWS. INDIA CAPITAL BUREAU.
Chicago-viite (17. p.)GOPAL. PRACTICAL GUIDE TO NEW REGISTRATION................CENTRAL EXCISE LAWS. BANGALORE: INDIA CAPITAL BUREAU, 1995.
MLA-viite (9. p.)GOPAL. PRACTICAL GUIDE TO NEW REGISTRATION................CENTRAL EXCISE LAWS. INDIA CAPITAL BUREAU, 1995.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.