PHIPPS TESSA. (2019). LIFE SKILL STUDY FOR SUCCESS (2008 Ed.). HEINEMANN LIBRARY.
Lua i Stíl Chicago (17ú heag.)PHIPPS TESSA. LIFE SKILL STUDY FOR SUCCESS. 2008 Ed. CHICAGO: HEINEMANN LIBRARY, 2019.
Lua MLA (9ú heag.)PHIPPS TESSA. LIFE SKILL STUDY FOR SUCCESS. 2008 Ed. HEINEMANN LIBRARY, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.