Sion, C. (1985). Recipes for tired teachers. [Boston, MA]: Addison-Wesley Publishing.
Chicago-стиль цитированияSion, Christopher. Recipes for Tired Teachers. [Boston, MA]: Addison-Wesley Publishing, 1985.
MLA-цитированиеSion, Christopher. Recipes for Tired Teachers. [Boston, MA]: Addison-Wesley Publishing, 1985.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.