Sääf, J. (1950). Effects of exercise on adult articular cartilage: An experimental study on guinea-pigs with relevance to the continuous regeneration of adult cartilage. Munksgaard.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sääf, Josef. Effects of Exercise on Adult Articular Cartilage: An Experimental Study on Guinea-pigs with Relevance to the Continuous Regeneration of Adult Cartilage. Copenhagen: Munksgaard, 1950.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sääf, Josef. Effects of Exercise on Adult Articular Cartilage: An Experimental Study on Guinea-pigs with Relevance to the Continuous Regeneration of Adult Cartilage. Munksgaard, 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.