Dyfyniad APA

Ross, C. C. (1947). Measurement in today's schools (2d ed.). s.n.

Dyfyniad Arddull Chicago

Ross, Clay Campbell. Measurement in Today's Schools. 2d ed. New York: s.n, 1947.

Dyfyniad MLA

Ross, Clay Campbell. Measurement in Today's Schools. 2d ed. s.n, 1947.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.