Valentine, G. (2015). Approaches to Human Geography: Philosophies, theories, people and practices (2nd ed.). Sage.
Citazione stile Chigago Style (17a edizione)Valentine, Gill. Approaches to Human Geography: Philosophies, Theories, People and Practices. 2nd ed. New Delhi: Sage, 2015.
Citatione MLA (9a ed.)Valentine, Gill. Approaches to Human Geography: Philosophies, Theories, People and Practices. 2nd ed. Sage, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.