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Стиль цитування APA (7-ме видання)
Araújo Roberto. (1973). Portugal, the country that has contributed most to geographic knowledge of the globe, in the course of one century she discovered and explored nearly two thirds of the inhabited globe. Secretaria de Estado da Informação e Turismo.
Чикаго стиль цитування (17-те видання)
Araújo Roberto. Portugal, the Country That Has Contributed Most to Geographic Knowledge of the Globe, in the Course of One Century She Discovered and Explored Nearly Two Thirds of the Inhabited Globe. Secretaria de Estado da Informação e Turismo, 1973.
Стиль цитування MLA (9-ме видання)
Araújo Roberto. Portugal, the Country That Has Contributed Most to Geographic Knowledge of the Globe, in the Course of One Century She Discovered and Explored Nearly Two Thirds of the Inhabited Globe. Secretaria de Estado da Informação e Turismo, 1973.
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