Lynch, W. (1999). Penguins! Buffalo, N.Y.: Firefly Books.
Chicago Style aipamenaLynch, Wayne. Penguins! Buffalo, N.Y.: Firefly Books, 1999.
MLA aipamenaLynch, Wayne. Penguins! Buffalo, N.Y.: Firefly Books, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.