APA
Organisation for European Economic Co-operation, Organisation for European Economic Co-operation, . (1961). Twelfth annual economic review. : .
Chicago
Organisation for European Economic Co-operation, Organisation for European Economic Co-operation, . 1961. Twelfth annual economic review. : .
Harvard
Organisation for European Economic Co-operation, Organisation for European Economic Co-operation, . (1961). Twelfth annual economic review. : .
MLA
Organisation for European Economic Co-operation, Organisation for European Economic Co-operation, . Twelfth annual economic review. : . 1961.
