Pagel, L. G., & Norstrom, B. (2011). Proofreading & editing precision. South-Western Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Pagel, Larry G., agus Barbara Norstrom. Proofreading & Editing Precision. Mason , Ohio: South-Western Cengage Learning, 2011.
Lua MLA (9ú heag.)Pagel, Larry G., agus Barbara Norstrom. Proofreading & Editing Precision. South-Western Cengage Learning, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.