Não informado. (2020). Poland China World. Poland China Record Association.
Style de citation Chicago (17e éd.)Não informado. Poland China World. Galesburg, Ill: Poland China Record Association, 2020.
Style de citation MLA (8e éd.)Não informado. Poland China World. Poland China Record Association, 2020.
Attention : ces citations peuvent ne pas être correctes à 100%.