APA (7. basım) Alıntı

International Federation for Documetation, Classification Research. (2021). International Classification. Verlag Dokumentation.

Chicago Style (17. basım) Atıf

International Federation for Documetation, Classification Research. International Classification. Munchen, Alemanha: Verlag Dokumentation, 2021.

MLA (8th ed.) Atıf

International Federation for Documetation, Classification Research. International Classification. Verlag Dokumentation, 2021.

Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..