Chile. (1990). Marketing and financial statistics 1990-1991. Time-América Económica.
Tohutoru Kātū Chicago (17th ed.)Chile. Marketing and Financial Statistics 1990-1991. Santiago: Time-América Económica, 1990.
Tohutoro MLA (9th ed.)Chile. Marketing and Financial Statistics 1990-1991. Time-América Económica, 1990.
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