Mantilla Baca, S., & Contreras, C. (2011). Ecuador-Colombia relations in comparative perspective.
Lua i Stíl Chicago (17ú heag.)Mantilla Baca, Sebastián, agus Carolina Contreras. Ecuador-Colombia Relations in Comparative Perspective. 2011.
Lua MLA (9ú heag.)Mantilla Baca, Sebastián, agus Carolina Contreras. Ecuador-Colombia Relations in Comparative Perspective. 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.