APA (7th ed.) Zitazioa

(1990). European library networks / edited by Karl Wilhelm Neubauer, Esther R. Dyer.

Chicago Style (17th ed.) Zitazioa

European Library Networks / Edited by Karl Wilhelm Neubauer, Esther R. Dyer. 1990.

MLA (9th ed.) Zitazioa

European Library Networks / Edited by Karl Wilhelm Neubauer, Esther R. Dyer. 1990.