Schools Council (Great Britain). Curriculum Development Project, Geography 16-19, & Hart, C. R. (1983). Fieldwork the "16-19" way. Schools Council Curriculum Development Project.
Chicago-viite (17. p.)Schools Council (Great Britain). Curriculum Development Project, Geography 16-19, ja C. R. Hart. Fieldwork the "16-19" Way. London: Schools Council Curriculum Development Project, 1983.
MLA-viite (8. p.)Schools Council (Great Britain). Curriculum Development Project, Geography 16-19, ja C. R. Hart. Fieldwork the "16-19" Way. Schools Council Curriculum Development Project, 1983.
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