Hoy, D. R. (1980). Essentials of Geography and Development: Concepts And Processes. Macmillan Publishing Co, Inc.
Citazione stile Chigago Style (17a edizione)Hoy, Don R. Essentials of Geography and Development: Concepts And Processes. USA: Macmillan Publishing Co, Inc, 1980.
Citatione MLA (9a ed.)Hoy, Don R. Essentials of Geography and Development: Concepts And Processes. Macmillan Publishing Co, Inc, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.