Gaver, M. V. (1971). Services of secondary school media centers: Evaluation and development (2. print.). American Library Association.
Chicago-Zitierstil (17. Ausg.)Gaver, Mary Virginia. Services of Secondary School Media Centers: Evaluation and Development. 2. print. Chicago: American Library Association, 1971.
MLA-Zitierstil (9. Ausg.)Gaver, Mary Virginia. Services of Secondary School Media Centers: Evaluation and Development. 2. print. American Library Association, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.