APA-ийн эшлэл(7 дахь хэвлэлт)
European Centre for higher Education. (1987). International directory of research institutions on higher education (2nd ed.). United Nations Educational, Scientific and Cultural Organization.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
European Centre for higher Education. International Directory of Research Institutions on Higher Education. 2nd ed. Fontenoy, Paris: United Nations Educational, Scientific and Cultural Organization, 1987.
MLA -ийн эшлэл (9 дэх хэвлэлт)
European Centre for higher Education. International Directory of Research Institutions on Higher Education. 2nd ed. United Nations Educational, Scientific and Cultural Organization, 1987.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.