APA aipamena

Dykes, J. (1971). Pig in the middle. J M Dent and sons.

Chicago Style aipamena

Dykes, Jack. Pig in the Middle. London: J M Dent and sons, 1971.

MLA aipamena

Dykes, Jack. Pig in the Middle. J M Dent and sons, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.