توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Kadarudin Aiyub. (2007). ISO 14001 implementation in Malaysia's manufacturing sector: Drivers, benefits, obstacles and implications. University of East Anglia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Kadarudin Aiyub. ISO 14001 Implementation in Malaysia's Manufacturing Sector: Drivers, Benefits, Obstacles and Implications. Norwich: University of East Anglia, 2007.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Kadarudin Aiyub. ISO 14001 Implementation in Malaysia's Manufacturing Sector: Drivers, Benefits, Obstacles and Implications. University of East Anglia, 2007.