توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ismail, A., Cooper, C., Felsenberg, D., Varlow, J., Kanis, J., Silman, A., & O'Neill, T. (1999). Number and type of vertebral deformities: Epidemiological characteristics and relation to back pain and height loss. European Vertebral Osteoporosis Study Group.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ismail, A., C. Cooper, D. Felsenberg, J. Varlow, J. Kanis, A. Silman, و T. O'Neill. Number and Type of Vertebral Deformities: Epidemiological Characteristics and Relation to Back Pain and Height Loss. European Vertebral Osteoporosis Study Group. 1999.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Ismail, A., et al. Number and Type of Vertebral Deformities: Epidemiological Characteristics and Relation to Back Pain and Height Loss. European Vertebral Osteoporosis Study Group. 1999.