Παραπομπή APA
International Labour Office. (1976). The cost social security = le cout de la securite sociale = el costo de la seguridad social. Geneva: International Labour Office.
Παραπομπή Chicago StyleInternational Labour Office. The Cost Social Security = Le Cout De La Securite Sociale = El Costo De La Seguridad Social. Geneva: International Labour Office, 1976.
Παραπομπή MLAInternational Labour Office. The Cost Social Security = Le Cout De La Securite Sociale = El Costo De La Seguridad Social. Geneva: International Labour Office, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.