Lua APA (7ú heag.)
Day Joh A. (1971). Dimension of the environmental crisis. John Wiley.
Lua i Stíl Chicago (17ú heag.)
Day Joh A. Dimension of the Environmental Crisis. New York: John Wiley, 1971.
Lua MLA (9ú heag.)
Day Joh A. Dimension of the Environmental Crisis. John Wiley, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.