Educational Testing Service. (1963). Multiple-Choice questions: A close look. Educational Testing Service.
Citazione stile Chigago Style (17a edizione)Educational Testing Service. Multiple-Choice Questions: A Close Look. Princeton: Educational Testing Service, 1963.
Citatione MLA (9a ed.)Educational Testing Service. Multiple-Choice Questions: A Close Look. Educational Testing Service, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.