APA (7 वां संस्करण) प्रशस्ति पत्र

National Atlas and Thematic Mapping Organisation, C. (1990). Atlas of the city of Calcutta and its environs by Anil Kumar Kundu and Prithvish Nag. the author.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

National Atlas and Thematic Mapping Organisation, Calcutta. Atlas of the City of Calcutta and Its Environs by Anil Kumar Kundu and Prithvish Nag. the author, 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

National Atlas and Thematic Mapping Organisation, Calcutta. Atlas of the City of Calcutta and Its Environs by Anil Kumar Kundu and Prithvish Nag. the author, 1990.

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