Schram, D. D. (1974). Summary and evaluation of learning center program 1971 - 1973. State of Washington, Dept. of Social and Health Services.
Chicago-Zitierstil (17. Ausg.)Schram, Donna D. Summary and Evaluation of Learning Center Program 1971 - 1973. Olympia, Wash: State of Washington, Dept. of Social and Health Services, 1974.
MLA-Zitierstil (8. Ausg.)Schram, Donna D. Summary and Evaluation of Learning Center Program 1971 - 1973. State of Washington, Dept. of Social and Health Services, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.