Kruse, P. J. (1918). The Overlapping of attainments in certain sixth, seventh, and eighth grades.
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Chicago Style (17th ed.) Zitazioa
Kruse, Paul J. The Overlapping of Attainments in Certain Sixth, Seventh, and Eighth Grades. New York, 1918.
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MLA (9th ed.) Zitazioa
Kruse, Paul J. The Overlapping of Attainments in Certain Sixth, Seventh, and Eighth Grades. 1918.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.