Group, E. S. o. D. i. E. C. (2000). A prevalence study of primary dystonia in eight European countries.
芝加哥风格引文Group, Epidemiological Study of Dystonia in Europe Collaborative. A Prevalence Study of Primary Dystonia in Eight European Countries. 2000.
MLA引文Group, Epidemiological Study of Dystonia in Europe Collaborative. A Prevalence Study of Primary Dystonia in Eight European Countries. 2000.
警告：这些引文格式不一定是100％准确.