Husted, S. (1990). International Economics Steven Husted And Michael Melvin. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Husted, Steven. International Economics Steven Husted And Michael Melvin. Harper & Row, 1990.
Lua MLA (8ú heag.)Husted, Steven. International Economics Steven Husted And Michael Melvin. Harper & Row, 1990.
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