Dickinson, G. C. (1979). Maps and air photographs: Images of the earth (2nd ed.). E. Arnold.
Citazione stile Chigago Style (17a edizione)Dickinson, Gordon Cawood. Maps and Air Photographs: Images of the Earth. 2nd ed. London: E. Arnold, 1979.
Citatione MLA (9a ed.)Dickinson, Gordon Cawood. Maps and Air Photographs: Images of the Earth. 2nd ed. E. Arnold, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.