Lua APA (7ú heag.)

Edelman, M., & Kenen, J. (1989). After the bitter pill, Costa Rica improves. Grove Weidenfeld.

Lua i Stíl Chicago (17ú heag.)

Edelman, Marc, agus Joanne Kenen. After the Bitter Pill, Costa Rica Improves. Nueva York: Grove Weidenfeld, 1989.

Lua MLA (9ú heag.)

Edelman, Marc, agus Joanne Kenen. After the Bitter Pill, Costa Rica Improves. Grove Weidenfeld, 1989.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.