University of the Philippines, Campos, J. C., Duran, E. Y., & Mamon, A. T. (1957). Proposed Code of the University of the Philippines, 1957: Comp. and rev. under the direction and supervision of Jose C. Campos, Jr., assisted by Ernesto Y. Duran [and] Agnes T. Mamon. s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines, Jose C. Campos, Ernesto Y. Duran, و Agnes T. Mamon. Proposed Code of the University of the Philippines, 1957: Comp. and Rev. Under the Direction and Supervision of Jose C. Campos, Jr., Assisted by Ernesto Y. Duran [and] Agnes T. Mamon. [Quezon City: s.n.], 1957.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines, et al. Proposed Code of the University of the Philippines, 1957: Comp. and Rev. Under the Direction and Supervision of Jose C. Campos, Jr., Assisted by Ernesto Y. Duran [and] Agnes T. Mamon. s.n.], 1957.