Coelho, P. (1994). By the river piedra I sat down and wept. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Coelho, Paulo. By the River Piedra I Sat Down and Wept. London: Harper Collins, 1994.
Lua MLA (9ú heag.)Coelho, Paulo. By the River Piedra I Sat Down and Wept. Harper Collins, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.