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Dyfyniad Arddull ChicagoAmbedkar, B. R. Who Were the Shudras? How They Came to Be the Fourth Varna in the Indo-Aryan Society. Bombay: Thacker, 1964.
Dyfyniad MLAAmbedkar, B. R. Who Were the Shudras? How They Came to Be the Fourth Varna in the Indo-Aryan Society. Thacker, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.