Payen, J. C. Les troubadours: J. C. Payen. Des origines a 1600.(1971).
Lua i Stíl Chicago (17ú heag.)Payen, J. C. "Les Troubadours: J. C. Payen." Des Origines a 1600.(1971) .
Lua MLA (8ú heag.)Payen, J. C. "Les Troubadours: J. C. Payen." Des Origines a 1600.(1971), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.