APA

Koch M., .Changes in Chilean social structure : class structure and income distribution between 1972 and 1994. : .

Chicago

Koch Max, .Changes in Chilean social structure : class structure and income distribution between 1972 and 1994. : .

Harvard

Koch M., .Changes in Chilean social structure : class structure and income distribution between 1972 and 1994. : .

MLA

Koch Max, .: . .