JAIN R K. (2007). ITC (HS) CLASSIFICATIONS OF EXPORT & IMPORT ITEMS (WITH CUSTOMS DUTY RATES & EXEMPTIONS) 2004-09 V-3 (11TH.). CENTAX PUBLICATIONS.
Chicago-viite (17. p.)JAIN R K. ITC (HS) CLASSIFICATIONS OF EXPORT & IMPORT ITEMS (WITH CUSTOMS DUTY RATES & EXEMPTIONS) 2004-09 V-3. 11TH. DELHI: CENTAX PUBLICATIONS, 2007.
MLA-viite (9. p.)JAIN R K. ITC (HS) CLASSIFICATIONS OF EXPORT & IMPORT ITEMS (WITH CUSTOMS DUTY RATES & EXEMPTIONS) 2004-09 V-3. 11TH. CENTAX PUBLICATIONS, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.