Παραπομπή σε μορφή APA (7η εκδ.)

Center for Research Libraries (U.S.). Focus on global resources: Critical resources for research and teaching in the humanities, sciences and social sciences. Center for Research Libraries.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Center for Research Libraries (U.S.). Focus on Global Resources: Critical Resources for Research and Teaching in the Humanities, Sciences and Social Sciences. Chicago, IL: Center for Research Libraries.

Παραπομπή σε μορφή MLA (8th εκδ.)

Center for Research Libraries (U.S.). Focus on Global Resources: Critical Resources for Research and Teaching in the Humanities, Sciences and Social Sciences. Center for Research Libraries.