Universidad de Costa Rica & International Conference on New Concepts in Higher Education [8° : 1989 : San José, C.R.]. (1989). The role of higher education within changing global priorities. [s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Universidad de Costa Rica و C.R.] International Conference on New Concepts in Higher Education [8° : 1989 : San José. The Role of Higher Education Within Changing Global Priorities. San José, Costa Rica: [s.n.], 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Universidad de Costa Rica و C.R.] International Conference on New Concepts in Higher Education [8° : 1989 : San José. The Role of Higher Education Within Changing Global Priorities. [s.n.], 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.