Jamison, C. L. (1953). Business policy. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Jamison, Charles Laselle. Business Policy. New York: Prentice-Hall, 1953.
Lua MLA (9ú heag.)Jamison, Charles Laselle. Business Policy. Prentice-Hall, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.