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Dyfyniad Arddull ChicagoSingh, Harbans. Guru Nanak and Origins of the Sikh Faith. Bombay, New York: Asia Pub. House, 1969.
Dyfyniad MLASingh, Harbans. Guru Nanak and Origins of the Sikh Faith. Asia Pub. House, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.