Cita APA (7a ed.)

Arnold, G., & Gimson, A. (1968). English Pronunciation Practice. University of London.

Cita Chicago Style (17a ed.)

Arnold, G.F, y A.C Gimson. English Pronunciation Practice. London: University of London, 1968.

Cita MLA (9a ed.)

Arnold, G.F, y A.C Gimson. English Pronunciation Practice. University of London, 1968.