International Labor Office, Geneva. (1925). Studies and reports, series I (Social insurance) no.1. s.n.
Chicago Style (17. basım) AtıfInternational Labor Office, Geneva. Studies and Reports, Series I (Social Insurance) No.1. Geneva: s.n, 1925.
MLA (9th ed.) AtıfInternational Labor Office, Geneva. Studies and Reports, Series I (Social Insurance) No.1. s.n, 1925.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..