Specthrie, S. W. (1942). Industrial accounting. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Specthrie, Samuel Waldo. Industrial Accounting. New York: Prentice-Hall, 1942.
Lua MLA (9ú heag.)Specthrie, Samuel Waldo. Industrial Accounting. Prentice-Hall, 1942.
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