Educational Testing Service. (1955). College Board Tests: How to take the tests sample questions. Educational Testing Service.
Citace podle Chicago (17th ed.)Educational Testing Service. College Board Tests: How to Take the Tests Sample Questions. Princeton: Educational Testing Service, 1955.
Citace podle MLA (9th ed.)Educational Testing Service. College Board Tests: How to Take the Tests Sample Questions. Educational Testing Service, 1955.
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