Dyfyniad APA
Terrell, T. D. (1990). Dos mundos: A communicative approach (2nd ed.). McGraw-Hill Pub. Co..
Dyfyniad Arddull Chicago
Terrell, Tracy D. Dos Mundos: A Communicative Approach. 2nd ed. New York: McGraw-Hill Pub. Co., 1990.
Dyfyniad MLA
Terrell, Tracy D. Dos Mundos: A Communicative Approach. 2nd ed. McGraw-Hill Pub. Co., 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.