توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Hellemann, M. (1993). On blood parameters of sport dogs with special reference to nutrition, training, and performance. Dept. of Physiology, College of Veterinary Medicine : Dept. of Animal Science, University of Helsinki.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Hellemann, Merja. On Blood Parameters of Sport Dogs with Special Reference to Nutrition, Training, and Performance. Helsinki, Finland: Dept. of Physiology, College of Veterinary Medicine : Dept. of Animal Science, University of Helsinki, 1993.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Hellemann, Merja. On Blood Parameters of Sport Dogs with Special Reference to Nutrition, Training, and Performance. Dept. of Physiology, College of Veterinary Medicine : Dept. of Animal Science, University of Helsinki, 1993.