توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Idris G.N, Asuen G.O, Ogundele O.J, & Scientific Research Publishing. Environmental Impact on Surface and Ground Water Pollution from Mining Activities in Ikpeshi, Edo State, Nigeria.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Idris G.N, Asuen G.O, Ogundele O.J, و Scientific Research Publishing. Environmental Impact on Surface and Ground Water Pollution from Mining Activities in Ikpeshi, Edo State, Nigeria.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Idris G.N, et al. Environmental Impact on Surface and Ground Water Pollution from Mining Activities in Ikpeshi, Edo State, Nigeria.