Lundh, T. (1990). Uptake, metabolism and biological effects of plant estrogens in sheep and cattle. Swedish University of Agricultural Sciences, Dept. of Animal Nutrition and Management.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lundh, Torbjörn. Uptake, Metabolism and Biological Effects of Plant Estrogens in Sheep and Cattle. Uppsala: Swedish University of Agricultural Sciences, Dept. of Animal Nutrition and Management, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lundh, Torbjörn. Uptake, Metabolism and Biological Effects of Plant Estrogens in Sheep and Cattle. Swedish University of Agricultural Sciences, Dept. of Animal Nutrition and Management, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.