توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Borra, J. V. (1979). Towards developing a demand forecasting model for Meralco's electricity sales [microform]. Photoduplication Service, University of the Philippines Library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Borra, Juan Vargas. Towards Developing a Demand Forecasting Model for Meralco's Electricity Sales [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Borra, Juan Vargas. Towards Developing a Demand Forecasting Model for Meralco's Electricity Sales [microform]. Photoduplication Service, University of the Philippines Library, 1979.