Edelman, M., & Kenen, J. (1989). Costa Rica and the Nicaraguan revolution (introduction chapter VI). Grove Weidenfeld.
Chicago-čujuhus (17. p.)Edelman, Marc, juo Joanne Kenen. Costa Rica and the Nicaraguan Revolution (introduction Chapter VI). Nueva York: Grove Weidenfeld, 1989.
MLA-čujuhus (9. p.)Edelman, Marc, juo Joanne Kenen. Costa Rica and the Nicaraguan Revolution (introduction Chapter VI). Grove Weidenfeld, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.