Lua APA (7ú heag.)
Waltham, D. (2014). Lucky planet: Why Earth is exceptional--and what that means for life in the universe. Basic Books.
Lua i Stíl Chicago (17ú heag.)
Waltham, David. Lucky Planet: Why Earth Is Exceptional--and What That Means for Life in the Universe. New York: Basic Books, 2014.
Lua MLA (9ú heag.)
Waltham, David. Lucky Planet: Why Earth Is Exceptional--and What That Means for Life in the Universe. Basic Books, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.