(2005). Britannica Ready Reference Encyclopedia. Encyclopedia Britanica(India) Pvt. Ltd.
Tohutoru Kātū Chicago (17th ed.)Britannica Ready Reference Encyclopedia. New Delhi: Encyclopedia Britanica(India) Pvt. Ltd, 2005.
Tohutoro MLA (9th ed.)Britannica Ready Reference Encyclopedia. Encyclopedia Britanica(India) Pvt. Ltd, 2005.
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