Cita APA (7a ed.)

Wolfendale, S., & Corbett, J. (1996). Opening doors: Learning support in higher education. Cassell.

Cita Chicago Style (17a ed.)

Wolfendale, Sheila, y Jenny Corbett. Opening Doors: Learning Support in Higher Education. London [etc.]: Cassell, 1996.

Cita MLA (9a ed.)

Wolfendale, Sheila, y Jenny Corbett. Opening Doors: Learning Support in Higher Education. Cassell, 1996.