Ray, G. E. (1928). Early Oklahoma newspapers: History and description of publications from earliest beginnings to 1889. University of Oklahoma.
Citace podle Chicago (17th ed.)Ray, Grace Ernestine. Early Oklahoma Newspapers: History and Description of Publications from Earliest Beginnings to 1889. Norman, Okla.: University of Oklahoma, 1928.
Citace podle MLA (8th ed.)Ray, Grace Ernestine. Early Oklahoma Newspapers: History and Description of Publications from Earliest Beginnings to 1889. University of Oklahoma, 1928.
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