Rollock, B. T. (1988). Public library services for children. Library Professional Publication.
Chicago-referens (17:e uppl.)Rollock, Barbara T. Public Library Services for Children. Library Professional Publication, 1988.
MLA-referens (8:e uppl.)Rollock, Barbara T. Public Library Services for Children. Library Professional Publication, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.