Mantell, C. L. (1968). Carbon and graphite handbook. Interscience Pub.
Lua i Stíl Chicago (17ú heag.)Mantell, Charles Letham. Carbon and Graphite Handbook. New York: Interscience Pub, 1968.
Lua MLA (9ú heag.)Mantell, Charles Letham. Carbon and Graphite Handbook. Interscience Pub, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.