توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Haruna, N. (2018). An appraisal of labour productivity in sandcrete block making factories in Minna, Nigeria. Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Haruna, Nurudeen. An Appraisal of Labour Productivity in Sandcrete Block Making Factories in Minna, Nigeria. Kuala Lumpur: Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia, 2018.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Haruna, Nurudeen. An Appraisal of Labour Productivity in Sandcrete Block Making Factories in Minna, Nigeria. Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia, 2018.