Ritzen, J. M. (1977). Education, economic growth, and income distribution. North-Holland Pub.
Lua i Stíl Chicago (17ú heag.)Ritzen, Josef M. Education, Economic Growth, and Income Distribution. Amsterdam: North-Holland Pub, 1977.
Lua MLA (9ú heag.)Ritzen, Josef M. Education, Economic Growth, and Income Distribution. North-Holland Pub, 1977.
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