Nagle, G., & Spencer, K. (1996). Investigating geography: Case studies and structural questions. Hodder & Stoughton.
Citazione stile Chigago Style (17a edizione)Nagle, Garrett, e Kris Spencer. Investigating Geography: Case Studies and Structural Questions. London: Hodder & Stoughton, 1996.
Citatione MLA (9a ed.)Nagle, Garrett, e Kris Spencer. Investigating Geography: Case Studies and Structural Questions. Hodder & Stoughton, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.