United States. Securities and Exchange Commission. (1977). Accounting series releases and staff accounting bulletins as of September 1, 1977. Commerce Clearing House.
Lua i Stíl Chicago (17ú heag.)United States. Securities and Exchange Commission. Accounting Series Releases and Staff Accounting Bulletins as of September 1, 1977. Chicago, Illinois: Commerce Clearing House, 1977.
Lua MLA (8ú heag.)United States. Securities and Exchange Commission. Accounting Series Releases and Staff Accounting Bulletins as of September 1, 1977. Commerce Clearing House, 1977.
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