توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Zullkifli Muhammad. (2016). The relationship between co-curicullar activities in building student's leadership skills in MARA technical institute in East Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Zullkifli Muhammad. The Relationship Between Co-curicullar Activities in Building Student's Leadership Skills in MARA Technical Institute in East Malaysia. 2016.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Zullkifli Muhammad. The Relationship Between Co-curicullar Activities in Building Student's Leadership Skills in MARA Technical Institute in East Malaysia. 2016.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.