Lua APA (7ú heag.)

McGeary, D., & Plummer, C. C. (1992). Physical geology: Earth revealed. Wm. C. Brown.

Lua i Stíl Chicago (17ú heag.)

McGeary, David, agus Charles C. Plummer. Physical Geology: Earth Revealed. Boulevard: Wm. C. Brown, 1992.

Lua MLA (9ú heag.)

McGeary, David, agus Charles C. Plummer. Physical Geology: Earth Revealed. Wm. C. Brown, 1992.

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