Allen, B. (1989). Germany East: Dissent and opposition. Black rose books.
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Tohutoru Kātū Chicago (17th ed.)
Allen, Bruce. Germany East: Dissent and Opposition. New York: Black rose books, 1989.
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Tohutoro MLA (9th ed.)
Allen, Bruce. Germany East: Dissent and Opposition. Black rose books, 1989.
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