توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Douti Nang Biyogue, Abanyie Samuel Kojo, Ampofo Steve, & Scientific Research Publishing. Solid Waste Management Challenges in Urban Areas of Ghana, A Case Study of Bawku Municipality.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Douti Nang Biyogue, Abanyie Samuel Kojo, Ampofo Steve, و Scientific Research Publishing. Solid Waste Management Challenges in Urban Areas of Ghana, A Case Study of Bawku Municipality.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Douti Nang Biyogue, et al. Solid Waste Management Challenges in Urban Areas of Ghana, A Case Study of Bawku Municipality.