Lua APA (7ú heag.)

Dunbar, C. O. (1960). Historical geology (2ª ed.). John Wiley and Sons.

Lua i Stíl Chicago (17ú heag.)

Dunbar, Carl O. Historical Geology. 2ª ed. New York: John Wiley and Sons, 1960.

Lua MLA (9ú heag.)

Dunbar, Carl O. Historical Geology. 2ª ed. John Wiley and Sons, 1960.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.