Houk, W. E. (1970). Teachers Look at Teaching. A Subject-Interest Method for Teaching Reference.
Chicago-Zitierstil (17. Ausg.)Houk, Wallace E. Teachers Look at Teaching. A Subject-Interest Method for Teaching Reference. 1970.
MLA-Zitierstil (9. Ausg.)Houk, Wallace E. Teachers Look at Teaching. A Subject-Interest Method for Teaching Reference. 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.