Ang, J. P. (1976). A survey of the dialect geography of five towns and one city in Nueva Ecija (Gapan, General Tinio, Munoz, San Isidro, San Leonardo and Cabanatuan City) [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ang, Juliana Pangilinan. A Survey of the Dialect Geography of Five Towns and One City in Nueva Ecija (Gapan, General Tinio, Munoz, San Isidro, San Leonardo and Cabanatuan City) [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ang, Juliana Pangilinan. A Survey of the Dialect Geography of Five Towns and One City in Nueva Ecija (Gapan, General Tinio, Munoz, San Isidro, San Leonardo and Cabanatuan City) [microform]. Photoduplication Service, University of the Philippines Library, 1976.