APA Style
Culbertson, John M.. ().
World Press Encyclopedia: a survey of press systems worldwide. .
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Chicago Style
Culbertson, John M..
World Press Encyclopedia: a survey of press systems worldwide..
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MLA Style
Culbertson, John M..
World Press Encyclopedia: a survey of press systems worldwide..
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Turabian Style
Culbertson, John M..
World Press Encyclopedia: a survey of press systems worldwide..
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