Não informado. (2020). Poland China World. Poland China Record Association.
Chicagoスタイル(17版)引用形式Não informado. Poland China World. Galesburg, Ill: Poland China Record Association, 2020.
MLA(8版)引用形式Não informado. Poland China World. Poland China Record Association, 2020.
警告: この引用は必ずしも正確ではありません.