González, V. E. (1992). On human attitudes: Root metaphors in theoretical conceptions. Acta Universitatis Gothoburgensis.
Lua i Stíl Chicago (17ú heag.)González, Valentín E. On Human Attitudes: Root Metaphors in Theoretical Conceptions. Göteborg, Sweden: Acta Universitatis Gothoburgensis, 1992.
Lua MLA (8ú heag.)González, Valentín E. On Human Attitudes: Root Metaphors in Theoretical Conceptions. Acta Universitatis Gothoburgensis, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.