Educational Testing Service. (1963). Multiple-Choice questions: A close look. Educational Testing Service.
Chicago-Zitierstil (17. Ausg.)Educational Testing Service. Multiple-Choice Questions: A Close Look. Princeton: Educational Testing Service, 1963.
MLA-Zitierstil (9. Ausg.)Educational Testing Service. Multiple-Choice Questions: A Close Look. Educational Testing Service, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.