Catalogue Persistent Identifier
http://nla.gov.au/nla.cat-vn1676174
APA Citation
De Villiers, Peter A., & De Villiers, Jill G., 1979 Early language / Peter A. de Villiers and Jill G. de Villiers Open Books, London :
MLA Citation
De Villiers, Peter A., and De Villiers, Jill G., Early language / Peter A. de Villiers and Jill G. de Villiers Open Books, London : 1979
Australian/Harvard Citation
De Villiers, Peter A., & De Villiers, Jill G., 1979, Early language / Peter A. de Villiers and Jill G. de Villiers Open Books, London :
Wikipedia Citation
{{Citation
| title=Early language / Peter A. de Villiers and Jill G. de Villiers
| author1=De Villiers, Peter A., 1946-
| author2=De Villiers, Jill G., 1948-
| year=1979
| publisher=Open Books
}}






