APA aipamena

International Federation of Library Associations & International Federation of Library Associations and Institutions. IFLA publications. K.G. Saur.

Chicago Style aipamena

International Federation of Library Associations and International Federation of Library Associations and Institutions. IFLA Publications. München ; New York: K.G. Saur.

MLA aipamena

International Federation of Library Associations and International Federation of Library Associations and Institutions. IFLA Publications. K.G. Saur.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.