http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
filosofiâ v sistemie nauki i mirovozzreniâ
E. F. Solopov ; pod red. V. G. Ivanova ; Akademiâ nauk SSSR. Leningradskaâ kafedra filosofii.