Teles, M. G. (2016). "The twenty years' crisis, 1919-1939: An introduction to the study of International Relations" (2001). Brasília: Publisher Brasília University: 305 pp. ISBN: 85-230-0635-4. Universidade Autónoma de Lisboa.
Chicago Style (17th ed.) CitationTeles, Matheus Gonzaga. "The Twenty Years' Crisis, 1919-1939: An Introduction to the Study of International Relations" (2001). Brasília: Publisher Brasília University: 305 Pp. ISBN: 85-230-0635-4. Universidade Autónoma de Lisboa, 2016.
MLA (9th ed.) CitationTeles, Matheus Gonzaga. "The Twenty Years' Crisis, 1919-1939: An Introduction to the Study of International Relations" (2001). Brasília: Publisher Brasília University: 305 Pp. ISBN: 85-230-0635-4. Universidade Autónoma de Lisboa, 2016.
Warning: These citations may not always be 100% accurate.