توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1997). An Act amending Presidential Decree no. 1146, as amended, expanding and increasing the coverage and benefits of the Government Service Insurance System, instituting reforms therein and for other purposes. Philippine Star.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System, Instituting Reforms Therein and for Other Purposes." Philippine Star 1997.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System, Instituting Reforms Therein and for Other Purposes." Philippine Star, 1997.