توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ahmed, S. (1999). Bio-ecology and management of insect pests of prosopis sp with special emphasis to gall forming insects in Indian Thar deserts. Arid Forest Research Institue.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ahmed, S.I. Bio-ecology and Management of Insect Pests of Prosopis Sp with Special Emphasis to Gall Forming Insects in Indian Thar Deserts. Jodhpur: Arid Forest Research Institue, 1999.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Ahmed, S.I. Bio-ecology and Management of Insect Pests of Prosopis Sp with Special Emphasis to Gall Forming Insects in Indian Thar Deserts. Arid Forest Research Institue, 1999.