Jasmine K. S ,Rajkumar K K. (1993). Customs duty payment system. university of kerala.
Chicago Edition CitationJasmine K. S ,Rajkumar K K. Customs Duty Payment System. trivandrum: university of kerala, 1993.
MLA引文Jasmine K. S ,Rajkumar K K. Customs Duty Payment System. university of kerala, 1993.
警告:这些引文格式不一定是100%准确.