APA-Zitierstil (7. Ausg.)
Walsh, T. (2011). Unlocking the gates: How and why leading universities are opening up access to their courses. Princeton University Press.
Chicago-Zitierstil (17. Ausg.)
Walsh, Taylor. Unlocking the Gates: How and Why Leading Universities Are Opening Up Access to Their Courses. Princeton: Princeton University Press, 2011.
MLA-Zitierstil (9. Ausg.)
Walsh, Taylor. Unlocking the Gates: How and Why Leading Universities Are Opening Up Access to Their Courses. Princeton University Press, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.