Goodman, D. S., & Goodman, P. F. (1991). Teaching reasoning skills in schools and homes: A gamebook of methods. Thomas.
Chicago-Zitierstil (17. Ausg.)Goodman, David S., und Phyllis F. Goodman. Teaching Reasoning Skills in Schools and Homes: A Gamebook of Methods. Springfield, Ill: Thomas, 1991.
MLA-Zitierstil (9. Ausg.)Goodman, David S., und Phyllis F. Goodman. Teaching Reasoning Skills in Schools and Homes: A Gamebook of Methods. Thomas, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.