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Clout, Hugh; Gosme, Cyril (abril de 2003). «The Naval Intelligence Handbooks: a monument in geographical writing». Progress in Human Geography. 27 (2): 153–173 [156]. ISSN0309-1325. doi:10.1191/0309132503ph420oa !CS1 manut: Nomes múltiplos: lista de autores (link)
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Clout, Hugh; Gosme, Cyril (abril de 2003). «The Naval Intelligence Handbooks: a monument in geographical writing». Progress in Human Geography. 27 (2): 153–173 [156]. ISSN0309-1325. doi:10.1191/0309132503ph420oa !CS1 manut: Nomes múltiplos: lista de autores (link)
Gant 1966, p. 51 Gant, Richard (1966). Ian Fleming: Man with the Golden Pen. Londres: Mayflower-Dell. OCLC487676374