Coelho, P., & Clarke, A. R. (1996). By the river Piedra I sat down and wept. HarperCollins Publishers.
Lua i Stíl Chicago (17ú heag.)Coelho, Paulo, agus Allan R. Clarke. By the River Piedra I Sat Down and Wept. North Blackburn, Vic. : India: HarperCollins Publishers, 1996.
Lua MLA (8ú heag.)Coelho, Paulo, agus Allan R. Clarke. By the River Piedra I Sat Down and Wept. HarperCollins Publishers, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.