Παραπομπή APA

Jasmine K. S ,Rajkumar K K. (1993). Customs duty payment system. university of kerala.

Παραπομπή Chicago Style

Jasmine K. S ,Rajkumar K K. Customs Duty Payment System. trivandrum: university of kerala, 1993.

Παραπομπή MLA

Jasmine K. S ,Rajkumar K K. Customs Duty Payment System. university of kerala, 1993.