Guanlao, G. G., & Cordova, M. T. (1999). Parental support and external stimulus gratifying surrounding situations effect on aggressive tendencies among youth in school and out of school youth of Santa Rita, Pampanga. University of the Philippines Diliman extension program in Pampanga.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guanlao, Gilda G., و Marie-Tessibeth T. Cordova. Parental Support and External Stimulus Gratifying Surrounding Situations Effect on Aggressive Tendencies Among Youth in School and Out of School Youth of Santa Rita, Pampanga. Pampanga: University of the Philippines Diliman extension program in Pampanga, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Guanlao, Gilda G., و Marie-Tessibeth T. Cordova. Parental Support and External Stimulus Gratifying Surrounding Situations Effect on Aggressive Tendencies Among Youth in School and Out of School Youth of Santa Rita, Pampanga. University of the Philippines Diliman extension program in Pampanga, 1999.