James Herriot. (1976). Vets might fly. London.
Chicago Style aipamenaJames Herriot. Vets Might Fly. London, 1976.
MLA aipamenaJames Herriot. Vets Might Fly. London, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena