Rood, S., Prill-Brett, J., Adorable, V., & Montilla, P. (1988). Preliminary findings regarding Cordillera inhabitant's attitudes towards an autonomous region for the Cordilleras. Cordillera Studies Center, University of the Philippines Baguio.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRood, Steven, June Prill-Brett, Violeta Adorable, এবং Perlina Montilla. Preliminary Findings Regarding Cordillera Inhabitant's Attitudes Towards an Autonomous Region for the Cordilleras. Baguio City: Cordillera Studies Center, University of the Philippines Baguio, 1988.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRood, Steven, et al. Preliminary Findings Regarding Cordillera Inhabitant's Attitudes Towards an Autonomous Region for the Cordilleras. Cordillera Studies Center, University of the Philippines Baguio, 1988.