Cole, D. H. (1928). Imperial military geography: General characteristics of the empire in relation to defence (5th ed.). Sifton Praed.
Cita Chicago (17th ed.)Cole, D. H. Imperial Military Geography: General Characteristics of the Empire in Relation to Defence. 5th ed. London: Sifton Praed, 1928.
Cita MLA (8th ed.)Cole, D. H. Imperial Military Geography: General Characteristics of the Empire in Relation to Defence. 5th ed. Sifton Praed, 1928.
Atenció: Aquestes cites poden no estar 100% correctes.