Eliasson-Selling, L. (1991). Puberty and oestrous symptoms in gilts: With special reference to the relationship with production traits. Dept. of Obstetrics and Gynecology and Dept. of Animal Breeding and Genetics, Swedish University of Agricultural Sciences.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Eliasson-Selling, Lena. Puberty and Oestrous Symptoms in Gilts: With Special Reference to the Relationship with Production Traits. Uppsala: Dept. of Obstetrics and Gynecology and Dept. of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Eliasson-Selling, Lena. Puberty and Oestrous Symptoms in Gilts: With Special Reference to the Relationship with Production Traits. Dept. of Obstetrics and Gynecology and Dept. of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, 1991.