APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

Guanlao, Gilda G., en 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.

MLA (9e ed.) Bronvermelding

Guanlao, Gilda G., en 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.