Citazione Stile APA (7a Edizione)
Purvis, M., & Grainger, A. (2006). Exploring sustainable development: Geographical perspectives. Earthscan Publication.
Citazione stile Chigago Style (17a edizione)
Purvis, Martin, e Alan Grainger. Exploring Sustainable Development: Geographical Perspectives. London: Earthscan Publication, 2006.
Citatione MLA (9a ed.)
Purvis, Martin, e Alan Grainger. Exploring Sustainable Development: Geographical Perspectives. Earthscan Publication, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.