Briggs, K., & Fisher, C. (1970). Field work in urban geography. Oliver and Boyd.
Cita Chicago Style (17a ed.)Briggs, K., y Crispin Fisher. Field Work in Urban Geography. Edinburgh: Oliver and Boyd, 1970.
Cita MLA (9a ed.)Briggs, K., y Crispin Fisher. Field Work in Urban Geography. Oliver and Boyd, 1970.
Precaución: Estas citas no son 100% exactas.