Roget , P. M. (1978). Roget's International Thesaurus (3rd ed.). Oxford University.
Dyfyniad Arddull ChicagoRoget , Peter Mark. Roget's International Thesaurus. 3rd ed. New Delhi: Oxford University, 1978.
Dyfyniad MLARoget , Peter Mark. Roget's International Thesaurus. 3rd ed. Oxford University, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.