Cowlard, K. A. (1990). Decision-making in geography: A manual of method and practice. Hodder & Stoughton.
Citazione stile Chigago Style (17a edizione)Cowlard, Keith A. Decision-making in Geography: A Manual of Method and Practice. London: Hodder & Stoughton, 1990.
Citatione MLA (9a ed.)Cowlard, Keith A. Decision-making in Geography: A Manual of Method and Practice. Hodder & Stoughton, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.