Cita APA (7th ed.)

International Federation of Social Science Organizations & IFSSI. International directory o Social Science organizations 1981-1982. IFSSO.

Cita Chicago (17th ed.)

International Federation of Social Science Organizations i IFSSI. International Directory O Social Science Organizations 1981-1982. Copenhagen: IFSSO.

Cita MLA (9th ed.)

International Federation of Social Science Organizations i IFSSI. International Directory O Social Science Organizations 1981-1982. IFSSO.