Hamalainen, P. K. (1979). In time of storm: Revolution, civil war, and the ethnolinguistic issue in Finland. State University of New York Press.

Hamalainen, Pekka Kalevi. In Time of Storm: Revolution, Civil War, and the Ethnolinguistic Issue in Finland. Albany: State University of New York Press, 1979.

Hamalainen, Pekka Kalevi. In Time of Storm: Revolution, Civil War, and the Ethnolinguistic Issue in Finland. State University of New York Press, 1979.