Cita APA (7th ed.)
Walsh, T. (2011). Unlocking the gates: How and why leading universities are opening up access to their courses. Princeton University Press.
Cita Chicago (17th ed.)
Walsh, Taylor. Unlocking the Gates: How and Why Leading Universities Are Opening Up Access to Their Courses. Princeton: Princeton University Press, 2011.
Cita MLA (9th ed.)
Walsh, Taylor. Unlocking the Gates: How and Why Leading Universities Are Opening Up Access to Their Courses. Princeton University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.