APA aipamena

Wisniewska, I. (2007). Step language for everyday life forward 2. New York: Oxford University Press.

Chicago Style aipamena

Wisniewska, Ingrid. Step Language for Everyday Life Forward 2. New York: Oxford University Press, 2007.

MLA aipamena

Wisniewska, Ingrid. Step Language for Everyday Life Forward 2. New York: Oxford University Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.