Johnston, H. (2004). Illustrated encyclopaedia, the wonders of the world: A popular and authentic account of the marvels of nature and of man as they exist today. Logos press.
শিকাগো স্টাইলে সাইটেশনJohnston, Harry. Illustrated Encyclopaedia, the Wonders of the World: A Popular and Authentic Account of the Marvels of Nature and of Man as They Exist Today. New Delhi: Logos press, 2004.
এমএলএ সাইটেশনJohnston, Harry. Illustrated Encyclopaedia, the Wonders of the World: A Popular and Authentic Account of the Marvels of Nature and of Man as They Exist Today. Logos press, 2004.
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