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Dyfyniad Arddull ChicagoOkuniewski, Andrzej, Jaroslaw Chojnacki, and Barbara Becker. N-Benzoyl-N′-phenylurea. International Union of Crystallography, 2010.
Dyfyniad MLAOkuniewski, Andrzej, Jaroslaw Chojnacki, and Barbara Becker. N-Benzoyl-N′-phenylurea. International Union of Crystallography, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.