Long, L. (2013). Otis and the puppy. New York: Philomel Books.
Chicago Style aipamenaLong, Loren. Otis and the Puppy. New York: Philomel Books, 2013.
MLA aipamenaLong, Loren. Otis and the Puppy. New York: Philomel Books, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.