(1976). The Mindanao herald: Historical and industrial number, commemorating a decennium of American occupation of the land of the farthest east and nearest west [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The Mindanao Herald: Historical and Industrial Number, Commemorating a Decennium of American Occupation of the Land of the Farthest East and Nearest West [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)The Mindanao Herald: Historical and Industrial Number, Commemorating a Decennium of American Occupation of the Land of the Farthest East and Nearest West [microform]. Photoduplication Service, University of the Philippines Library, 1976.