Sammartino, A. H. (2010). The impossible border: Germany and the east, 1914-1922. Cornell Univ. Press.
Cita Chicago (17th ed.)Sammartino, Annemarie H. The Impossible Border: Germany and the East, 1914-1922. Ithaca, New York: Cornell Univ. Press, 2010.
Cita MLA (8th ed.)Sammartino, Annemarie H. The Impossible Border: Germany and the East, 1914-1922. Cornell Univ. Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.