Ginsburg, N. S. (1953). The economic resources and development of Formoso. International Secretariat.
Chicago-viite (17. p.)Ginsburg, Norton Sydney. The Economic Resources and Development of Formoso. New York: International Secretariat, 1953.
MLA-viite (9. p.)Ginsburg, Norton Sydney. The Economic Resources and Development of Formoso. International Secretariat, 1953.
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