Lua APA (7ú heag.)

PLUMER, C. C., & McGEARY, D. (1985). Physical geology. WCB.

Lua i Stíl Chicago (17ú heag.)

PLUMER, Charles C., agus David McGEARY. Physical Geology. Dubuque: WCB, 1985.

Lua MLA (9ú heag.)

PLUMER, Charles C., agus David McGEARY. Physical Geology. WCB, 1985.

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