Barker, E. (1928). National character and the factors in its formation: By Ernest Barker (2nd ed.). Methuen.
Citace podle Chicago (17th ed.)Barker, Ernest. National Character and the Factors in Its Formation: By Ernest Barker. 2nd ed. London: Methuen, 1928.
Citace podle MLA (8th ed.)Barker, Ernest. National Character and the Factors in Its Formation: By Ernest Barker. 2nd ed. Methuen, 1928.
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