Tinkelman, S. (1972). Difficulty Prediction of test items ((Repr. d. Ausg. New York : Bureau of Publ., Teachers College, Columbia Univ., 1947).). AMS Pr.
Chicago Style (17th ed.) CitationTinkelman, Sherman. Difficulty Prediction of Test Items. (Repr. d. Ausg. New York : Bureau of Publ., Teachers College, Columbia Univ., 1947). New York: AMS Pr, 1972.
MLA (9th ed.) CitationTinkelman, Sherman. Difficulty Prediction of Test Items. (Repr. d. Ausg. New York : Bureau of Publ., Teachers College, Columbia Univ., 1947). AMS Pr, 1972.
Warning: These citations may not always be 100% accurate.