Foss, V. (2003). The ultimate golden retriever (2nd ed.). New York: Howell Book House.
Chicago Style aipamenaFoss, Valerie. The Ultimate Golden Retriever. 2nd ed. New York: Howell Book House, 2003.
MLA aipamenaFoss, Valerie. The Ultimate Golden Retriever. 2nd ed. New York: Howell Book House, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.