APA aipamena

Partridge, J., & Sweeten, S. (2001). Blowing Bubbles. Cambridge University Press.

Chicago Style aipamena

Partridge, Juliet, and Sami Sweeten. Blowing Bubbles. Cambridge: Cambridge University Press, 2001.

MLA aipamena

Partridge, Juliet, and Sami Sweeten. Blowing Bubbles. Cambridge University Press, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.