Esto, W., Fernandez, R. A., Nieva, J. M., Reyes, A. J., & Tan, A. (1987). A Study on the systems and procedures of processing application for new electric service connection, Meralco Diliman Branch. College of Engineering.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Esto, Wilberto, Ray Anthony Fernandez, John Martin Nieva, Alfonso Jr Reyes, و Andrew Tan. A Study on the Systems and Procedures of Processing Application for New Electric Service Connection, Meralco Diliman Branch. Diliman, Quezon City: College of Engineering, 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Esto, Wilberto, et al. A Study on the Systems and Procedures of Processing Application for New Electric Service Connection, Meralco Diliman Branch. College of Engineering, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.