APA (7 वां संस्करण) प्रशस्ति पत्र

ROY S R. (1999). CUSTOMS ACT WITH RULES, REGULATIONS & NOTIFICATIONS AND ALLIED ACTS & RULES (5TH.). KAMAL LAW HOUSE.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ROY S R. CUSTOMS ACT WITH RULES, REGULATIONS & NOTIFICATIONS AND ALLIED ACTS & RULES. 5TH. CALCUTTA: KAMAL LAW HOUSE, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ROY S R. CUSTOMS ACT WITH RULES, REGULATIONS & NOTIFICATIONS AND ALLIED ACTS & RULES. 5TH. KAMAL LAW HOUSE, 1999.