International Federation of Library Associations and Institutions. Professional Board & Pizer, I. H. (1988). Medium-term programme 1986-1991 (2nd ed.). International Federation of Library Associations and Institutions.
Chicago-referens (17:e uppl.)International Federation of Library Associations and Institutions. Professional Board och Irwin H. Pizer. Medium-term Programme 1986-1991. 2nd ed. The Hague: International Federation of Library Associations and Institutions, 1988.
MLA-referens (8:e uppl.)International Federation of Library Associations and Institutions. Professional Board och Irwin H. Pizer. Medium-term Programme 1986-1991. 2nd ed. International Federation of Library Associations and Institutions, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.