Sen, B. (1977). Law Relating to Customs Tariff. N.M. Tripathi.
Chicago Style aipamenaSen, B. Law Relating to Customs Tariff. Bombay: N.M. Tripathi, 1977.
MLA aipamenaSen, B. Law Relating to Customs Tariff. N.M. Tripathi, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.