Powelson, J. A. (1926). Introductory accounting. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Powelson, John Abrum. Introductory Accounting. New York: Prentice-Hall, 1926.
Lua MLA (8ú heag.)Powelson, John Abrum. Introductory Accounting. Prentice-Hall, 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.