SEGAL, M. K. (1987). Reading for a purpose: Encore 4. Heinle and heinle.
Lua i Stíl Chicago (17ú heag.)SEGAL, Margaret Keenan. Reading for a Purpose: Encore 4. Boston: Heinle and heinle, 1987.
Lua MLA (9ú heag.)SEGAL, Margaret Keenan. Reading for a Purpose: Encore 4. Heinle and heinle, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.