Παραπομπή APA

Sen, B. (1977). Law Relating to Customs Tariff. N.M. Tripathi.

Παραπομπή Chicago Style

Sen, B. Law Relating to Customs Tariff. Bombay: N.M. Tripathi, 1977.

Παραπομπή MLA

Sen, B. Law Relating to Customs Tariff. N.M. Tripathi, 1977.