Schools Council (Great Britain). Curriculum Development Project, Geography 16-19, & Hart, C. R. (1983). Fieldwork the "16-19" way. Schools Council Curriculum Development Project.
Lua i Stíl Chicago (17ú heag.)Schools Council (Great Britain). Curriculum Development Project, Geography 16-19, agus C. R. Hart. Fieldwork the "16-19" Way. London: Schools Council Curriculum Development Project, 1983.
Lua MLA (8ú heag.)Schools Council (Great Britain). Curriculum Development Project, Geography 16-19, agus C. R. Hart. Fieldwork the "16-19" Way. Schools Council Curriculum Development Project, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.