توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Jonsson, K. (1995). Agroforestry in dry savanna areas in Africa: Interactions between trees, soils and crops. Swedish University of Agricultural Sciences, Dept. of Forest Ecology.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Jonsson, Kerstin. Agroforestry in Dry Savanna Areas in Africa: Interactions Between Trees, Soils and Crops. Umeå, Sweden: Swedish University of Agricultural Sciences, Dept. of Forest Ecology, 1995.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Jonsson, Kerstin. Agroforestry in Dry Savanna Areas in Africa: Interactions Between Trees, Soils and Crops. Swedish University of Agricultural Sciences, Dept. of Forest Ecology, 1995.