Marti, D. B. (1958). Key: Supplement. Problems and forms for Income tax and social security course. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Marti, David Benjamin. Key: Supplement. Problems and Forms for Income Tax and Social Security Course. [New York]: Prentice-Hall, 1958.
Lua MLA (8ú heag.)Marti, David Benjamin. Key: Supplement. Problems and Forms for Income Tax and Social Security Course. Prentice-Hall, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.