Dyfyniad APA

Denman, B. R. (2007). Step language for everyday life forward 4. New York: Oxford University Press.

Dyfyniad Arddull Chicago

Denman, Barbara R. Step Language for Everyday Life Forward 4. New York: Oxford University Press, 2007.

Dyfyniad MLA

Denman, Barbara R. Step Language for Everyday Life Forward 4. New York: Oxford University Press, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.