(1989). Travel and exploration Portugal and Spain. Reiss & Auvermann.
Lua i Stíl Chicago (17ú heag.)Travel and Exploration Portugal and Spain. Reiss & Auvermann, 1989.
Lua MLA (8ú heag.)Travel and Exploration Portugal and Spain. Reiss & Auvermann, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.