Smiles, S., & Bower, R. L. (1889). Self-help (Rev. and enl. ed.). The Pioneer press.
Lua i Stíl Chicago (17ú heag.)Smiles, Samuel, agus Ralph Lytton Bower. Self-help. Rev. and enl. ed. [Chicago]: The Pioneer press, 1889.
Lua MLA (8ú heag.)Smiles, Samuel, agus Ralph Lytton Bower. Self-help. Rev. and enl. ed. The Pioneer press, 1889.
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