Citazione Stile APA (7a Edizione)

Jednaszewski, P., & Procel, W. (2016). Proxy wars: For : international negotiations. Amazon Fulfillment Poland Sp. z o.o..

Citazione stile Chigago Style (17a edizione)

Jednaszewski, Piotr, e Wadim Procel. Proxy Wars: For : International Negotiations. Wrocław: Amazon Fulfillment Poland Sp. z o.o., 2016.

Citatione MLA (9a ed.)

Jednaszewski, Piotr, e Wadim Procel. Proxy Wars: For : International Negotiations. Amazon Fulfillment Poland Sp. z o.o., 2016.