Heise, U. K., Christensen, J., & Niemann, M. (2017). The Routledge companion to the environmental humanities. Routledge, Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Heise, Ursula K., Jon Christensen, agus Michelle Niemann. The Routledge Companion to the Environmental Humanities. London ; New York, NY: Routledge, Taylor & Francis Group, 2017.
Lua MLA (8ú heag.)Heise, Ursula K., et al. The Routledge Companion to the Environmental Humanities. Routledge, Taylor & Francis Group, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.