Howland, H. J. (1972). Theodore Roosevelt and his times: A chronicle of the progressive movement. Glasgow, Brook.
Citace podle Chicago (17th ed.)Howland, Harold Jacobs. Theodore Roosevelt and His Times: A Chronicle of the Progressive Movement. Toronto: Glasgow, Brook, 1972.
Citace podle MLA (9th ed.)Howland, Harold Jacobs. Theodore Roosevelt and His Times: A Chronicle of the Progressive Movement. Glasgow, Brook, 1972.
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