Pyle. (1969). Fundamental Accounting Principles Pyle. Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)Pyle. Fundamental Accounting Principles Pyle. Richard D. Irwin, 1969.
Lua MLA (8ú heag.)Pyle. Fundamental Accounting Principles Pyle. Richard D. Irwin, 1969.
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