Zinn, K. L. (1974). Free and Inexpensive Materials on Computing in Teaching and Learning Activities.
Chicago-Zitierstil (17. Ausg.)Zinn, Karl L. Free and Inexpensive Materials on Computing in Teaching and Learning Activities. 1974.
MLA-Zitierstil (9. Ausg.)Zinn, Karl L. Free and Inexpensive Materials on Computing in Teaching and Learning Activities. 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.