APA ציטוט

Bell Telephone Laboratories, inc. Technical Information Libraries. Index to current technical literature. Bell Telephone Laboratories.

Chicago Style (17th ed.) Citation

Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. New York: Bell Telephone Laboratories.

ציטוט MLA

Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. Bell Telephone Laboratories.