Nitzke, S., & Pethes, N. Introduction: Visions of the "Blue Marble". Technology, philosophy, fiction / Solvejg Nitzke. Nicolas Pethes. Imagining Earth : concepts of wholeness in cultural constructions of our home planet.(2017).
Lua i Stíl Chicago (17ú heag.)Nitzke, Solvejg, agus Nicolas Pethes. "Introduction: Visions of the "Blue Marble". Technology, Philosophy, Fiction / Solvejg Nitzke. Nicolas Pethes." Imagining Earth : Concepts of Wholeness in Cultural Constructions of Our Home Planet.(2017) .
Lua MLA (8ú heag.)Nitzke, Solvejg, agus Nicolas Pethes. "Introduction: Visions of the "Blue Marble". Technology, Philosophy, Fiction / Solvejg Nitzke. Nicolas Pethes." Imagining Earth : Concepts of Wholeness in Cultural Constructions of Our Home Planet.(2017), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.