Walker, E. (1981). Doors to more mature reading: Detailed notes on adult books for use with young people (2nd ed.). American Library Association.
Chicago-Zitierstil (17. Ausg.)Walker, Elinor. Doors to More Mature Reading: Detailed Notes on Adult Books for Use with Young People. 2nd ed. Chicago: American Library Association, 1981.
MLA-Zitierstil (9. Ausg.)Walker, Elinor. Doors to More Mature Reading: Detailed Notes on Adult Books for Use with Young People. 2nd ed. American Library Association, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.