Bell Telephone Laboratories. (2001). Bell Laboratories Record. Bell Telephone Laboratories.
Chicagoスタイル(17版)引用形式Bell Telephone Laboratories. Bell Laboratories Record. Murray Hill, NJ: Bell Telephone Laboratories, 2001.
MLA(8版)引用形式Bell Telephone Laboratories. Bell Laboratories Record. Bell Telephone Laboratories, 2001.
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