Esselte kartor (Firm), Graphic Learning Corporation, & Lidman Production. (1987). Earth book world atlas. Graphic Learning International Pub.
Lua i Stíl Chicago (17ú heag.)Esselte kartor (Firm), Graphic Learning Corporation, agus Lidman Production. Earth Book World Atlas. Boulder, Colo: Graphic Learning International Pub, 1987.
Lua MLA (9ú heag.)Esselte kartor (Firm), et al. Earth Book World Atlas. Graphic Learning International Pub, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.