APA

Armstrong J. A., . (1955). Ukrainian nationalism 1939-1945. New York: Columbia University Press.

Chicago

Armstrong John Alexander, . 1955. Ukrainian nationalism 1939-1945. New York: Columbia University Press.

Harvard

Armstrong J. A., . (1955). Ukrainian nationalism 1939-1945. New York: Columbia University Press.

MLA

Armstrong John Alexander, . Ukrainian nationalism 1939-1945. New York: Columbia University Press. 1955.