Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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