Ray, S., & Majumdar, G. (1993). The emperor's ring: The further adventures of Feluda. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Ray, Satyajit, agus Gopa Majumdar. The Emperor's Ring: The Further Adventures of Feluda. New Delhi ; New York, N.Y.: Penguin Books, 1993.
Lua MLA (8ú heag.)Ray, Satyajit, agus Gopa Majumdar. The Emperor's Ring: The Further Adventures of Feluda. Penguin Books, 1993.
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