Kerbo, H. R. Social stratification and inequality: Class confict in historical, comparative, and global perspective (6.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Kerbo, Harold R. Social Stratification and Inequality: Class Confict in Historical, Comparative, and Global Perspective. 6. California: McGraw Hill.
Lua MLA (9ú heag.)Kerbo, Harold R. Social Stratification and Inequality: Class Confict in Historical, Comparative, and Global Perspective. 6. McGraw Hill.
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