Arthur D. Little, Inc, & United States. National Commission on Libraries and Information Science. (1979). A comparative evaluation of alternative systems for the provision of effective access to periodical literature: A report to the National Commission on Libraries and Information Science. The Commission : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Lua i Stíl Chicago (17ú heag.)Arthur D. Little, Inc, agus United States. National Commission on Libraries and Information Science. A Comparative Evaluation of Alternative Systems for the Provision of Effective Access to Periodical Literature: A Report to the National Commission on Libraries and Information Science. Washington: The Commission : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979.
Lua MLA (8ú heag.)Arthur D. Little, Inc, agus United States. National Commission on Libraries and Information Science. A Comparative Evaluation of Alternative Systems for the Provision of Effective Access to Periodical Literature: A Report to the National Commission on Libraries and Information Science. The Commission : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979.