Fromkin, V., & Rodman, R. (1998). An introduction to language (6th ed.). Harcourt Brace College Publishers.
Dyfyniad Arddull ChicagoFromkin, Victoria, and Robert Rodman. An Introduction to Language. 6th ed. Fort Worth: Harcourt Brace College Publishers, 1998.
Dyfyniad MLAFromkin, Victoria, and Robert Rodman. An Introduction to Language. 6th ed. Harcourt Brace College Publishers, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.