ANDU, R. (1987). Kamus geologi. Dahara Prize.
Lua i Stíl Chicago (17ú heag.)ANDU, Ronny. Kamus Geologi. Semarang: Dahara Prize, 1987.
Lua MLA (9ú heag.)ANDU, Ronny. Kamus Geologi. Dahara Prize, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.