Embree, e. b. L. H. a. L. Phenomenology of natural science. Kluwer Academic.
Lua i Stíl Chicago (17ú heag.)Embree, edited by Lee Hardy and Lester. Phenomenology of Natural Science. Kluwer Academic.
Lua MLA (8ú heag.)Embree, edited by Lee Hardy and Lester. Phenomenology of Natural Science. Kluwer Academic.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.