Bell Telephone Laboratories, inc. Technical Information Libraries. Index to current technical literature. Bell Telephone Laboratories.
Čikaški stil citiranja (17. izdanje)Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. New York: Bell Telephone Laboratories.
MLA način citiranja (8. izdanje)Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. Bell Telephone Laboratories.
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