Frost, S. E. (1947). The basic teaching of the great philosophers. The Blakiston Company.
Lua i Stíl Chicago (17ú heag.)Frost, S. E. The Basic Teaching of the Great Philosophers. Philadelphia: The Blakiston Company, 1947.
Lua MLA (8ú heag.)Frost, S. E. The Basic Teaching of the Great Philosophers. The Blakiston Company, 1947.
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