Gifford Fenton, Eileen. The Non-Subscription Side of Periodicals: Changes in Library Operations and Costs between Print and Electronic Formats [en ligne]. 2004 [consulté le 26 avril 2024]. Disponible sur le Web :
<https://www.enssib.fr/bibliotheque-numerique/documents/1416-the-non-subscription-side-of-periodicals-changes-in-library-operations-and-costs-between-print-and-electronic-formats.pdf>.