APA (7th ed.) Zitazioa
Hailstones, T. J. (1988). Contemporary economic problems and issues. South Western.
Chicago Style (17th ed.) Zitazioa
Hailstones, Thomas J. Contemporary Economic Problems and Issues. Cincinnati: South Western, 1988.
MLA (9th ed.) Zitazioa
Hailstones, Thomas J. Contemporary Economic Problems and Issues. South Western, 1988.
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