PLOCK, E. D. (1986). The basic treaty and the evolution of East-West Germanrelations. Wesview Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPLOCK, Ernest D. The Basic Treaty and the Evolution of East-West Germanrelations. Boulder: Wesview Press, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPLOCK, Ernest D. The Basic Treaty and the Evolution of East-West Germanrelations. Wesview Press, 1986.
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