Warren, T., & Koonce, M. H. (2007). Life skills and test prep 1. Pearson/Longman.
Lua i Stíl Chicago (17ú heag.)Warren, Theresa, agus Maria H. Koonce. Life Skills and Test Prep 1. White Plains, N.Y: Pearson/Longman, 2007.
Lua MLA (8ú heag.)Warren, Theresa, agus Maria H. Koonce. Life Skills and Test Prep 1. Pearson/Longman, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.