Ross, C. C. (1947). Measurement in today's schools (2d ed.). s.n.
Cita Chicago (17th ed.)Ross, Clay Campbell. Measurement in Today's Schools. 2d ed. New York: s.n, 1947.
Cita MLA (9th ed.)Ross, Clay Campbell. Measurement in Today's Schools. 2d ed. s.n, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.