Keefe, E. K. (1972). Area handbook for East Germany. U.S. Government Printing Office.
Cita Chicago Style (17a ed.)Keefe, Eugene K. Area Handbook for East Germany. Washington, D.C: U.S. Government Printing Office, 1972.
Cita MLA (9a ed.)Keefe, Eugene K. Area Handbook for East Germany. U.S. Government Printing Office, 1972.
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