Wordliczek, R. (2016). The Main Issues in US-Ecuador Relations in the 21st Century. University of Warsaw.
Citazione stile Chigago Style (17a edizione)Wordliczek, Rafal. The Main Issues in US-Ecuador Relations in the 21st Century. University of Warsaw, 2016.
Citatione MLA (9a ed.)Wordliczek, Rafal. The Main Issues in US-Ecuador Relations in the 21st Century. University of Warsaw, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.