APA aipamena

(1956). The Classified catalog, basic principles and practices. American Library Association.

Chicago Style aipamena

The Classified Catalog, Basic Principles and Practices. Chicago: American Library Association, 1956.

MLA aipamena

The Classified Catalog, Basic Principles and Practices. American Library Association, 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.