Hartmann, F. H. (1965). Germany between east and west: The reunification problem. Prentice-Hall.
Chicago-viite (17. p.)Hartmann, Frederick H. Germany Between East and West: The Reunification Problem. Englewood Cliffs, NJ: Prentice-Hall, 1965.
MLA-viite (9. p.)Hartmann, Frederick H. Germany Between East and West: The Reunification Problem. Prentice-Hall, 1965.
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