Halls, W. D. (1971). International equivalences in access to higher education: A study of problems with special reference to selected countries. Unesco.
Chicago-Zitierstil (17. Ausg.)Halls, W. D. International Equivalences in Access to Higher Education: A Study of Problems with Special Reference to Selected Countries. Paris: Unesco, 1971.
MLA-Zitierstil (9. Ausg.)Halls, W. D. International Equivalences in Access to Higher Education: A Study of Problems with Special Reference to Selected Countries. Unesco, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.