Cita APA (7th ed.)
Kay, N. C. (1971). Practical teaching. Evans Brothers.
Cita Chicago (17th ed.)
Kay, N. C. Practical Teaching. London: Evans Brothers, 1971.
Cita MLA (9th ed.)
Kay, N. C. Practical Teaching. Evans Brothers, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.