Gibson, C. H. (2009). Financial reporting & analysis: Using financial accounting information (11th ed.). South-Western Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Gibson, Charles H. Financial Reporting & Analysis: Using Financial Accounting Information. 11th ed. Mason, OH, USA: South-Western Cengage Learning, 2009.
Lua MLA (9ú heag.)Gibson, Charles H. Financial Reporting & Analysis: Using Financial Accounting Information. 11th ed. South-Western Cengage Learning, 2009.