Lua APA (7ú heag.)
Icke, V. (2014). Gravity does not exist: A puzzle for the 21st century. Amsterdam University Press.
Lua i Stíl Chicago (17ú heag.)
Icke, Vincent. Gravity Does Not Exist: A Puzzle for the 21st Century. Amsterdam, Netherlands: Amsterdam University Press, 2014.
Lua MLA (9ú heag.)
Icke, Vincent. Gravity Does Not Exist: A Puzzle for the 21st Century. Amsterdam University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.