(1992). The economist year book. London.
Trích dẫn kiểu ChicagoThe Economist Year Book. London, 1992.
MLA citiranjeThe Economist Year Book. London, 1992.
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APA citiranje
(1992). The economist year book. London.
Trích dẫn kiểu ChicagoThe Economist Year Book. London, 1992.
MLA citiranjeThe Economist Year Book. London, 1992.