Lua APA (7ú heag.)
Kaspar, I. I., & Enyart, J. I. (2000). Concrete pipe for the new millennium. ASTM.
Lua i Stíl Chicago (17ú heag.)
Kaspar, Iraj I., agus Jeffrey I. Enyart. Concrete Pipe for the New Millennium. West Conshohocken, PA: ASTM, 2000.
Lua MLA (9ú heag.)
Kaspar, Iraj I., agus Jeffrey I. Enyart. Concrete Pipe for the New Millennium. ASTM, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.