Dyfyniad APA
Stevens, R. (1972). The question as a measure of efficiency in instruction: A critical study of class-room practice. AMS Press.
Dyfyniad Arddull Chicago
Stevens, Romiett. The Question as a Measure of Efficiency in Instruction: A Critical Study of Class-room Practice. [New York: AMS Press, 1972.
Dyfyniad MLA
Stevens, Romiett. The Question as a Measure of Efficiency in Instruction: A Critical Study of Class-room Practice. AMS Press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.