Briggs, R. (1978). The snowman (1st American ed.). Random House.
Chicago Style aipamenaBriggs, Raymond. The Snowman. 1st American ed. New York: Random House, 1978.
MLA aipamenaBriggs, Raymond. The Snowman. 1st American ed. Random House, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.