Cita APA (7a ed.)

Bex, T., & Watts, R. J. (1999). Standard English: The widening debate. Routledge.

Cita Chicago Style (17a ed.)

Bex, Tony, y Richard J. Watts. Standard English: The Widening Debate. London: Routledge, 1999.

Cita MLA (9a ed.)

Bex, Tony, y Richard J. Watts. Standard English: The Widening Debate. Routledge, 1999.