International Federation of Social Science Organizations. (1984). International directory of social science organizations. IFSSO.
Chicago-viite (17. p.)International Federation of Social Science Organizations. International Directory of Social Science Organizations. Copenhagen, Denmark: IFSSO, 1984.
MLA-viite (9. p.)International Federation of Social Science Organizations. International Directory of Social Science Organizations. IFSSO, 1984.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.