Knowles, L. L. (1969). Institutional racism in America. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Knowles, Louis L. Institutional Racism in America. Englewood Cliffs, N.J: Prentice-Hall, 1969.
Lua MLA (9ú heag.)Knowles, Louis L. Institutional Racism in America. Prentice-Hall, 1969.
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