Tripp, R. T., & Tripp, R. T. c. (1970). The international thesaurus of qoutations. Crowell.
Dyfyniad Arddull ChicagoTripp, Rhoda Thomas, and Rhoda Thomas comp Tripp. The International Thesaurus of Qoutations. New York: Crowell, 1970.
Dyfyniad MLATripp, Rhoda Thomas, and Rhoda Thomas comp Tripp. The International Thesaurus of Qoutations. Crowell, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.