Abbs, B., & Freebairn, I. (1980). Building Strategies: Strategies 2. Longman.
Lua i Stíl Chicago (17ú heag.)Abbs, Brian, agus Ingrid Freebairn. Building Strategies: Strategies 2. England: Longman, 1980.
Lua MLA (9ú heag.)Abbs, Brian, agus Ingrid Freebairn. Building Strategies: Strategies 2. Longman, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.