Williams, P. N. (1978). Investigative reporting and editing. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Williams, Paul N. Investigative Reporting and Editing. Englewood Cliffs, N.J: Prentice-Hall, 1978.
Lua MLA (9ú heag.)Williams, Paul N. Investigative Reporting and Editing. Prentice-Hall, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.