Edelman, M., & Kenen, J. (1989). After the bitter pill, Costa Rica improves. Grove Weidenfeld.
Chicago-čujuhus (17. p.)Edelman, Marc, juo Joanne Kenen. After the Bitter Pill, Costa Rica Improves. Nueva York: Grove Weidenfeld, 1989.
MLA-čujuhus (9. p.)Edelman, Marc, juo Joanne Kenen. After the Bitter Pill, Costa Rica Improves. Grove Weidenfeld, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.