Córdoba Cubillo, P. (2005). A simple lesson plan for the course English Composition II. Universidad de Costa Rica.
Lua i Stíl Chicago (17ú heag.)Córdoba Cubillo, Patricia. A Simple Lesson Plan for the Course English Composition II. Universidad de Costa Rica, 2005.
Lua MLA (9ú heag.)Córdoba Cubillo, Patricia. A Simple Lesson Plan for the Course English Composition II. Universidad de Costa Rica, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.