James, P. E. (1980). One word divided, a geographer looksatthe modern world (3ª ed.). John Wiley and Sons.
Citación estilo ChicagoJames, Preston E. One Word Divided, a Geographer Looksatthe Modern World. 3ª ed. John Wiley and Sons, 1980.
Cita MLAJames, Preston E. One Word Divided, a Geographer Looksatthe Modern World. 3ª ed. John Wiley and Sons, 1980.
Warning: These citations may not always be 100% accurate.