Παραπομπή APA

Clementi, M., Dian, M., & Pisciotta, B. (2020). US Foreign Policy in a Challenging World. 1st ed. 2018. Springer International Publishing.

Παραπομπή Chicago Style

Clementi, Marco, Matteo Dian, και Barbara Pisciotta. US Foreign Policy in a Challenging World. 1st Ed. 2018. Springer International Publishing, 2020.

Παραπομπή MLA

Clementi, Marco, Matteo Dian, και Barbara Pisciotta. US Foreign Policy in a Challenging World. 1st Ed. 2018. Springer International Publishing, 2020.

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