Smith, N. B., Courtis, S. A., & Thomson, R. (1927). Dictionary. World Book Company.
Dyfyniad Arddull ChicagoSmith, Nila Banton, Stuart A. Courtis, and Rodney Thomson. Dictionary. Yonkers-on-Hudson, New York, Chicago: World Book Company, 1927.
Dyfyniad MLASmith, Nila Banton, et al. Dictionary. World Book Company, 1927.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.