Fegan, A., Corr, P., & Roulston, S. (2010). Geography pathways: Key stage 3 for Northern Ireland (4. impr.). Hodder Education.
Citazione stile Chigago Style (17a edizione)Fegan, Anne, Peter Corr, e Stephen Roulston. Geography Pathways: Key Stage 3 for Northern Ireland. 4. impr. London: Hodder Education, 2010.
Citatione MLA (9a ed.)Fegan, Anne, et al. Geography Pathways: Key Stage 3 for Northern Ireland. 4. impr. Hodder Education, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.