Coles, P. (2014). 26 Melodic Studies for Guitar: [easy to intermediate] / by Paul Coles. Universal Ed..
Lua i Stíl Chicago (17ú heag.)Coles, Paul. 26 Melodic Studies for Guitar: [easy to Intermediate] / by Paul Coles. Wien: Universal Ed., 2014.
Lua MLA (8ú heag.)Coles, Paul. 26 Melodic Studies for Guitar: [easy to Intermediate] / by Paul Coles. Universal Ed., 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.