Gramling, O. (1940). AP the story of news. Farrar and Rinehart.
Chicagoスタイル(17版)引用形式Gramling, Oliver. AP the Story of News. Nueva York: Farrar and Rinehart, 1940.
MLA(9版)引用形式Gramling, Oliver. AP the Story of News. Farrar and Rinehart, 1940.
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