Cita APA

Adam, J. B., & Shawcross, A. J. (1963). Language laboratory. Pitman & Sons.

Chicago Edition Citation

Adam, J. B., i A. J. Shawcross. Language Laboratory. London: Pitman & Sons, 1963.

Cita MLA

Adam, J. B., i A. J. Shawcross. Language Laboratory. Pitman & Sons, 1963.