Pyle, W. W. (1984). Fundamental accounting principles (10ª ed.). Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)Pyle, William W. Fundamental Accounting Principles. 10ª ed. Richard D. Irwin, 1984.
Lua MLA (9ú heag.)Pyle, William W. Fundamental Accounting Principles. 10ª ed. Richard D. Irwin, 1984.
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