Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.