(1969). purasuchikkusu eji ensaikuropedeia: Plastics age encyclopedia. Kabushiki Gaisha Purasuchikkusu ēji.
Chicagoスタイル(17版)引用形式Purasuchikkusu Eji Ensaikuropedeia: Plastics Age Encyclopedia. Tōkyō-to: Kabushiki Gaisha Purasuchikkusu ēji, 1969.
MLA(8版)引用形式Purasuchikkusu Eji Ensaikuropedeia: Plastics Age Encyclopedia. Kabushiki Gaisha Purasuchikkusu ēji, 1969.
警告: この引用は必ずしも正確ではありません.