Não informado. Think. International Business Machines.
Chicagoスタイル(17版)引用形式Não informado. Think. New York: International Business Machines.
MLA(8版)引用形式Não informado. Think. International Business Machines.
警告: この引用は必ずしも正確ではありません.
Não informado. Think. International Business Machines.
Chicagoスタイル(17版)引用形式Não informado. Think. New York: International Business Machines.
MLA(8版)引用形式Não informado. Think. International Business Machines.