Hartog, C. (1981). ý toca Guitarra!: Easy Spanish Pieces for Guitar. Alsbach Educa.
Lua i Stíl Chicago (17ú heag.)Hartog, Cees. ý Toca Guitarra!: Easy Spanish Pieces for Guitar. Naarden, NL: Alsbach Educa, 1981.
Lua MLA (8ú heag.)Hartog, Cees. ý Toca Guitarra!: Easy Spanish Pieces for Guitar. Alsbach Educa, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.