Jensen, D. E. Getting acquainted with minerals.
Lua i Stíl Chicago (17ú heag.)Jensen, David E. Getting Acquainted with Minerals.
Lua MLA (8ú heag.)Jensen, David E. Getting Acquainted with Minerals.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.