APA-referens (7:e uppl.)

Williams, J. R. (2008). Financial accounting (13th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Williams, Jan R. Financial Accounting. 13th ed. Boston: McGraw-Hill, 2008.

MLA-referens (9:e uppl.)

Williams, Jan R. Financial Accounting. 13th ed. McGraw-Hill, 2008.