Collier, D. S., & Glaser, K. (1966). Western policy and Eastern Europe. Regnery.
Lua i Stíl Chicago (17ú heag.)Collier, David S., agus Kurt Glaser. Western Policy and Eastern Europe. Chicago: Regnery, 1966.
Lua MLA (9ú heag.)Collier, David S., agus Kurt Glaser. Western Policy and Eastern Europe. Regnery, 1966.
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