Chamberlain, N. W. (1969). Contemporary economic issues. Richard D. Irwin Inc.
Lua i Stíl Chicago (17ú heag.)Chamberlain, Neil W. Contemporary Economic Issues. Homewood, Ill: Richard D. Irwin Inc, 1969.
Lua MLA (9ú heag.)Chamberlain, Neil W. Contemporary Economic Issues. Richard D. Irwin Inc, 1969.
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