Ross, C. C. (1947). Measurement in today's schools (2d ed.). s.n.
Chicago-viite (17. p.)Ross, Clay Campbell. Measurement in Today's Schools. 2d ed. New York: s.n, 1947.
MLA-viite (9. p.)Ross, Clay Campbell. Measurement in Today's Schools. 2d ed. s.n, 1947.
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