توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1989). Administrative Order no. 18 series of 1989: Revised rules and regulations governing conversion of private agricultural lands to non-agricultural uses. Malaya.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"Administrative Order No. 18 Series of 1989: Revised Rules and Regulations Governing Conversion of Private Agricultural Lands to Non-agricultural Uses." Malaya 1989.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"Administrative Order No. 18 Series of 1989: Revised Rules and Regulations Governing Conversion of Private Agricultural Lands to Non-agricultural Uses." Malaya, 1989.