Exxon Chemical Pakistan Ltd. (1990). Annual report ... Exxon Chemical Pakistan Ltd..
Chicagoスタイル(17版)引用形式Exxon Chemical Pakistan Ltd. Annual Report ... Karachi: Exxon Chemical Pakistan Ltd., 1990.
MLA(8版)引用形式Exxon Chemical Pakistan Ltd. Annual Report ... Exxon Chemical Pakistan Ltd., 1990.
警告: この引用は必ずしも正確ではありません.