Heussler, H., Polnay, L., Marder, E., Standen, P., Lyn U, C., & Butler, N. (2001). Prevalence of autism in early 1970s may have been underestimated. BMJ.
Chicago ZitierstilHeussler, Helen, Leon Polnay, Elizabeth Marder, Penny Standen, Chin Lyn U, und Neville Butler. Prevalence of Autism in Early 1970s May Have Been Underestimated. BMJ, 2001.
MLA ZitierstilHeussler, Helen, et al. Prevalence of Autism in Early 1970s May Have Been Underestimated. BMJ, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.