توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

University of the Philippines (Diliman). Law Center, Litong, G. T., & Labitag, E. A. (2021). Suggested answers to bar examination questions in political law (1997-2018). Information and Publication Division, U.P. Law Complex.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

University of the Philippines (Diliman). Law Center, Glenda T. Litong, و Eduardo A. Labitag. Suggested Answers to Bar Examination Questions in Political Law (1997-2018). Quezon City: Information and Publication Division, U.P. Law Complex, 2021.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

University of the Philippines (Diliman). Law Center, et al. Suggested Answers to Bar Examination Questions in Political Law (1997-2018). Information and Publication Division, U.P. Law Complex, 2021.