PHILLIPS, C. S. (1991). Labour And Politics In Panama The Torryos Years Sharon Phillips Collazos. Westview.
Lua i Stíl Chicago (17ú heag.)PHILLIPS, Collazos Sharon. Labour And Politics In Panama The Torryos Years Sharon Phillips Collazos. Westview, 1991.
Lua MLA (8ú heag.)PHILLIPS, Collazos Sharon. Labour And Politics In Panama The Torryos Years Sharon Phillips Collazos. Westview, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.