Husen, T. (1967). International study of achievement in mathematics: A comparison of twelve countries. A.
Chicago Style (17th ed.) CitationHusen, Torsten. International Study of Achievement in Mathematics: A Comparison of Twelve Countries. Stockholm, mqvist & Wiksell: A, 1967.
MLA (9th ed.) CitationHusen, Torsten. International Study of Achievement in Mathematics: A Comparison of Twelve Countries. A, 1967.
Warning: These citations may not always be 100% accurate.