Lua APA (7ú heag.)
Piper, J. (2003). Don't waste your life. Crossway.
Lua i Stíl Chicago (17ú heag.)
Piper, John. Don't Waste Your Life. Wheaton: Crossway, 2003.
Lua MLA (9ú heag.)
Piper, John. Don't Waste Your Life. Crossway, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.