Vlak, K. (2000). Five Continents: Grade 1 1/2 / Kees Vlak. Rundel.
Lua i Stíl Chicago (17ú heag.)Vlak, Kees. Five Continents: Grade 1 1/2 / Kees Vlak. Rot an der Rot: Rundel, 2000.
Lua MLA (8ú heag.)Vlak, Kees. Five Continents: Grade 1 1/2 / Kees Vlak. Rundel, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.