Catalogue Persistent Identifier
http://nla.gov.au/nla.cat-vn1959541
APA Citation
Zigler, Edward. & Hodapp, Robert M. (1986). Understanding mental retardation. Cambridge ; New York : Cambridge University Press
MLA Citation
Zigler, Edward. and Hodapp, Robert M. Understanding mental retardation / Edward Zigler and Robert M. Hodapp Cambridge University Press Cambridge ; New York 1986
Australian/Harvard Citation
Zigler, Edward. & Hodapp, Robert M. 1986, Understanding mental retardation / Edward Zigler and Robert M. Hodapp Cambridge University Press Cambridge ; New York
Wikipedia Citation
{{Citation
| title=Understanding mental retardation / Edward Zigler and Robert M. Hodapp
| author1=Zigler, Edward, 1930-
| author2=Hodapp, Robert M
| year=1986
| publisher=Cambridge University Press
| language=English
}}








