توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(2006). Further amending certain provisions of Ministry Order No. 32, series of 1985, as amended, particularly providing for Standard Classification for Airconditioning and Refrigeration Service and Repair Enterprises. Philippine Star.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"Further Amending Certain Provisions of Ministry Order No. 32, Series of 1985, as Amended, Particularly Providing for Standard Classification for Airconditioning and Refrigeration Service and Repair Enterprises." Philippine Star 2006.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"Further Amending Certain Provisions of Ministry Order No. 32, Series of 1985, as Amended, Particularly Providing for Standard Classification for Airconditioning and Refrigeration Service and Repair Enterprises." Philippine Star, 2006.