Spechrie, S. W. (1959). Industrial Accounting Samuel Waldo Spechrie. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Spechrie, Samuel Waldo. Industrial Accounting Samuel Waldo Spechrie. Prentice-Hall, 1959.
Lua MLA (8ú heag.)Spechrie, Samuel Waldo. Industrial Accounting Samuel Waldo Spechrie. Prentice-Hall, 1959.
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