APA aipamena

Sequeira Ortiz, Z. (1980). Services to users: The retrieval of information and documentary languages.

Chicago Style aipamena

Sequeira Ortiz, Zaida. Services to Users: The Retrieval of Information and Documentary Languages. 1980.

MLA aipamena

Sequeira Ortiz, Zaida. Services to Users: The Retrieval of Information and Documentary Languages. 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.