Barker,J S F. (1982). Future Developments in the Genetic Improvement of Animals. academic.
Chicago Style aipamenaBarker,J S F. Future Developments in the Genetic Improvement of Animals. new york: academic, 1982.
MLA aipamenaBarker,J S F. Future Developments in the Genetic Improvement of Animals. academic, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.