Silva, U. S., & Jarnac, i. C. (1993). <O >Pedro e as cores. Gradiva.
Lua i Stíl Chicago (17ú heag.)Silva, Ucha Santos, agus il. Carlos Jarnac. <O >Pedro E as Cores. Gradiva, 1993.
Lua MLA (8ú heag.)Silva, Ucha Santos, agus il. Carlos Jarnac. <O >Pedro E as Cores. Gradiva, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.