Rebok, S. (2014). Two Exceptional Witnesses of Latin American Independence: The Prussian Explorer Alexander Von Humboldt and The Virginian Politician Thomas Jefferson. Sociedad de Historia de la Educación Latinoamericana y la Universidad Pedagógica y Tecnológica de Colombia.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Rebok, Sandra. Two Exceptional Witnesses of Latin American Independence: The Prussian Explorer Alexander Von Humboldt and The Virginian Politician Thomas Jefferson. Sociedad de Historia de la Educación Latinoamericana y la Universidad Pedagógica y Tecnológica de Colombia, 2014.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Rebok, Sandra. Two Exceptional Witnesses of Latin American Independence: The Prussian Explorer Alexander Von Humboldt and The Virginian Politician Thomas Jefferson. Sociedad de Historia de la Educación Latinoamericana y la Universidad Pedagógica y Tecnológica de Colombia, 2014.