Seligman, E. R. A., & Johnson, A. S. (1954). Encyclopaedia of the social sciences (Reissued (vol. IX and X combined).). MacMillan.
Cita Chicago Style (17a ed.)Seligman, Edwin Robert Anderson, y Alvin Saunders Johnson. Encyclopaedia of the Social Sciences. Reissued (vol. IX and X combined). New York: MacMillan, 1954.
Cita MLA (9a ed.)Seligman, Edwin Robert Anderson, y Alvin Saunders Johnson. Encyclopaedia of the Social Sciences. Reissued (vol. IX and X combined). MacMillan, 1954.
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