Cuthill, F., Espie, C., & Cooper, S. (2003). Development and psychometric properties of the Glasgow Depression Scale for people with a Learning Disability. Individual and carer supplement versions.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cuthill, F., C. Espie, و SA Cooper. Development and Psychometric Properties of the Glasgow Depression Scale for People with a Learning Disability. Individual and Carer Supplement Versions. 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cuthill, F., et al. Development and Psychometric Properties of the Glasgow Depression Scale for People with a Learning Disability. Individual and Carer Supplement Versions. 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.