Khoo, T. K., Yarnall, A. J., Duncan, G. W., Coleman, S., O’Brien, J. T., Brooks, D. J., . . . Burn, D. J. (2013). The spectrum of nonmotor symptoms in early Parkinson disease. Lippincott Williams & Wilkins.
استشهاد بنمط شيكاغوKhoo, Tien K., Alison J. Yarnall, Gordon W. Duncan, Shirley Coleman, John T. O’Brien, David J. Brooks, Roger A. Barker, و David J. Burn. The Spectrum of Nonmotor Symptoms in Early Parkinson Disease. Lippincott Williams & Wilkins, 2013.
MLA استشهادKhoo, Tien K., et al. The Spectrum of Nonmotor Symptoms in Early Parkinson Disease. Lippincott Williams & Wilkins, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.