Lua APA (7ú heag.)
Shumaker, D. H. (1995). Gorbachev and the German question: Soviet-West German relations, 1985-1990. Praeger.
Lua i Stíl Chicago (17ú heag.)
Shumaker, David H. Gorbachev and the German Question: Soviet-West German Relations, 1985-1990. Westport, Conn.: Praeger, 1995.
Lua MLA (9ú heag.)
Shumaker, David H. Gorbachev and the German Question: Soviet-West German Relations, 1985-1990. Praeger, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.