Lopez Cortezo, P. M., & Greene, G. (2013). Greene, Graham - Lopez, Pedro M., Collection. DigitalGeorgetown.
Lua i Stíl Chicago (17ú heag.)Lopez Cortezo, Pedro M., agus Graham Greene. Greene, Graham - Lopez, Pedro M., Collection. Washington, D.C.: DigitalGeorgetown, 2013.
Lua MLA (8ú heag.)Lopez Cortezo, Pedro M., agus Graham Greene. Greene, Graham - Lopez, Pedro M., Collection. DigitalGeorgetown, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.