APA aipamena

Dahlberg, I. (1978). Ontical structures and universal classification. Sarada Ranganathan Endowment.

Chicago Style aipamena

Dahlberg, Ingetraut. Ontical Structures and Universal Classification. Bangalore: Sarada Ranganathan Endowment, 1978.

MLA aipamena

Dahlberg, Ingetraut. Ontical Structures and Universal Classification. Sarada Ranganathan Endowment, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.