de Leon, T. J. M., Gonzales, L. B. K., Lanting, R. B., Oliveros, R. A., Sales, R. B., Jr, & Tolentino, A. S. (1991). Total systems design and information systems design of the Planning and Technical Services Department of Republic Planters Bank. College of Engineering.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)de Leon, Thomas Jefferson M., Leo Benedict K. Gonzales, Reynaldo B. Lanting, Ricardo A. Oliveros, Ricardo B. Sales, Jr, و Alfredo S. Tolentino. Total Systems Design and Information Systems Design of the Planning and Technical Services Department of Republic Planters Bank. Diliman, Quezon City: College of Engineering, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)de Leon, Thomas Jefferson M., et al. Total Systems Design and Information Systems Design of the Planning and Technical Services Department of Republic Planters Bank. College of Engineering, 1991.