Langan, J. (2008). Exploring writing: Sentences and paragraphs. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Langan, John. Exploring Writing: Sentences and Paragraphs. Boston: McGraw-Hill, 2008.
Lua MLA (9ú heag.)Langan, John. Exploring Writing: Sentences and Paragraphs. McGraw-Hill, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.