Teaching geography. Geographical Association [etc.].
Lua i Stíl Chicago (17ú heag.)Teaching Geography. Sheffield, Eng. [etc]: Geographical Association [etc.].
Lua MLA (8ú heag.)Teaching Geography. Geographical Association [etc.].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.