Wofford, A. (1967). Book selection for school libraries. Wilson.
Chicago Style (17th ed.) ZitazioaWofford, Azile. Book Selection for School Libraries. New York: Wilson, 1967.
MLA (9th ed.) ZitazioaWofford, Azile. Book Selection for School Libraries. Wilson, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.