Walcher, J. (1931). Child's prayer book. North Star Print. Co..
Chicago Style aipamenaWalcher, James. Child's Prayer Book. St. Cloud, Minn.: North Star Print. Co., 1931.
MLA aipamenaWalcher, James. Child's Prayer Book. North Star Print. Co., 1931.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.