توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1998). An act amending article 287 of Presidential Decree No. 442, as amended, otherwise known as the Labor Code of the Philippine by reducing the retirement age of underground mine workers from sixty (60) to fifty (50). Manila Times.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"An Act Amending Article 287 of Presidential Decree No. 442, as Amended, Otherwise Known as the Labor Code of the Philippine by Reducing the Retirement Age of Underground Mine Workers from Sixty (60) to Fifty (50)." Manila Times 1998.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"An Act Amending Article 287 of Presidential Decree No. 442, as Amended, Otherwise Known as the Labor Code of the Philippine by Reducing the Retirement Age of Underground Mine Workers from Sixty (60) to Fifty (50)." Manila Times, 1998.