ebrary, Inc, & Strawser, C. J. (2002). Business statistics of the United States (8th ed., 2002.). Bernan Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Cornelia J. Strawser. Business Statistics of the United States. 8th ed., 2002. Lanham, Md.: Bernan Press, 2002.
Lua MLA (9ú heag.)ebrary, Inc, agus Cornelia J. Strawser. Business Statistics of the United States. 8th ed., 2002. Bernan Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.