333551 Walton, J., & Carns, D. E. (1977). Cities in change: Studies on the urban condition. Boston : Allun & Bacon.
Citazione stile Chigago Style (17a edizione)333551 Walton, John, e Donal E. Carns. Cities in Change: Studies on the Urban Condition. Boston : Allun & Bacon, 1977.
Citatione MLA (9a ed.)333551 Walton, John, e Donal E. Carns. Cities in Change: Studies on the Urban Condition. Boston : Allun & Bacon, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.