Sion, C. (1985). Recipes for tired teachers. [Boston, MA]: Addison-Wesley Publishing.
Chicago ZitierstilSion, Christopher. Recipes for Tired Teachers. [Boston, MA]: Addison-Wesley Publishing, 1985.
MLA ZitierstilSion, Christopher. Recipes for Tired Teachers. [Boston, MA]: Addison-Wesley Publishing, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.