Lua APA (7ú heag.)
Stevens, R. (1972). The question as a measure of efficiency in instruction: A critical study of class-room practice. AMS Press.
Lua i Stíl Chicago (17ú heag.)
Stevens, Romiett. The Question as a Measure of Efficiency in Instruction: A Critical Study of Class-room Practice. [New York: AMS Press, 1972.
Lua MLA (9ú heag.)
Stevens, Romiett. The Question as a Measure of Efficiency in Instruction: A Critical Study of Class-room Practice. AMS Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.