APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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