Porter, R. P. (1911). The ten republics: An introduction to the South American series in Porter's progress of nations. With twelve maps (1a. ed.). George Routledge and sons, Ltd.
Citace podle Chicago (17th ed.)Porter, Robert P. The Ten Republics: An Introduction to the South American Series in Porter's Progress of Nations. With Twelve Maps. 1a. ed. Londres: George Routledge and sons, Ltd, 1911.
Citace podle MLA (9th ed.)Porter, Robert P. The Ten Republics: An Introduction to the South American Series in Porter's Progress of Nations. With Twelve Maps. 1a. ed. George Routledge and sons, Ltd, 1911.
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