Hasselgren, G. (1977). Acid and alkaline phosphatases in hard tissue producing cells with special reference to the cells of the dental pulp. Department of Endodontics, University of Lund, School of Dentistry : Department of Oral Pathology, Karolinska Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hasselgren, Gunnar. Acid and Alkaline Phosphatases in Hard Tissue Producing Cells with Special Reference to the Cells of the Dental Pulp. Malmö : Stockholm: Department of Endodontics, University of Lund, School of Dentistry : Department of Oral Pathology, Karolinska Institute, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hasselgren, Gunnar. Acid and Alkaline Phosphatases in Hard Tissue Producing Cells with Special Reference to the Cells of the Dental Pulp. Department of Endodontics, University of Lund, School of Dentistry : Department of Oral Pathology, Karolinska Institute, 1977.