Cita APA

Hadfield, J., & Hadfield, C. (1999). Oxford basic: Simple listening activities. Oxford: Oxford Univ. Press.

Citación estilo Chicago

Hadfield, Jill, y Charles Hadfield. Oxford Basic: Simple Listening Activities. Oxford: Oxford Univ. Press, 1999.

Cita MLA

Hadfield, Jill, y Charles Hadfield. Oxford Basic: Simple Listening Activities. Oxford: Oxford Univ. Press, 1999.