APA aipamena

Spigarelli, J. (2007). Step language for everyday life forward 1. New York: Oxford University Press.

Chicago Style aipamena

Spigarelli, Jane. Step Language for Everyday Life Forward 1. New York: Oxford University Press, 2007.

MLA aipamena

Spigarelli, Jane. Step Language for Everyday Life Forward 1. New York: Oxford University Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.