توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(2000). Circular no.15-A: Strict implementation of Article 205 of the Labor Code of the Philippines requiring all employers to keep a logbook to record the sickness, injury or death of their employees. Philippine Star.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"Circular No.15-A: Strict Implementation of Article 205 of the Labor Code of the Philippines Requiring All Employers to Keep a Logbook to Record the Sickness, Injury or Death of Their Employees." Philippine Star 2000.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"Circular No.15-A: Strict Implementation of Article 205 of the Labor Code of the Philippines Requiring All Employers to Keep a Logbook to Record the Sickness, Injury or Death of Their Employees." Philippine Star, 2000.