APA (7e ed.) Bronvermelding

Wheeler, O., & Tenggren, G. (1943). Sing for Christmas: A round of Christmas carols and stories of the carols. E.P. Dutton and Company, Inc..

Chicago (17e ed.) Bronvermelding

Wheeler, Opal, en Gustaf Tenggren. Sing for Christmas: A Round of Christmas Carols and Stories of the Carols. New York, N.Y.: E.P. Dutton and Company, Inc., 1943.

MLA (8e ed.) Bronvermelding

Wheeler, Opal, en Gustaf Tenggren. Sing for Christmas: A Round of Christmas Carols and Stories of the Carols. E.P. Dutton and Company, Inc., 1943.