Brigham, C. C. (1932). A study of error: A summary and evaluation of methods used in six years of study of the scholastic aptitude test of the College entrance examination board. College entrance examination board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrigham, Carl Campbell. A Study of Error: A Summary and Evaluation of Methods Used in Six Years of Study of the Scholastic Aptitude Test of the College Entrance Examination Board. New York City: College entrance examination board, 1932.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBrigham, Carl Campbell. A Study of Error: A Summary and Evaluation of Methods Used in Six Years of Study of the Scholastic Aptitude Test of the College Entrance Examination Board. College entrance examination board, 1932.
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