Karlen, S. (1991). Paz, progreso, justicia y honradez: Das Ubico-Regime in Guatemala, 1931-1944. F. Steiner.
Lua i Stíl Chicago (17ú heag.)Karlen, Stefan. Paz, Progreso, Justicia Y Honradez: Das Ubico-Regime in Guatemala, 1931-1944. Stuttgart: F. Steiner, 1991.
Lua MLA (8ú heag.)Karlen, Stefan. Paz, Progreso, Justicia Y Honradez: Das Ubico-Regime in Guatemala, 1931-1944. F. Steiner, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.