1. Attitudes;G W Allport;A handbook of social psychology,1935
2. Properties of sufficiency and statistical tests;M S Bartlett;Proceedings of the Royal Society of London. Series A,1937
3. Three scales to measure constructs related to materialism: Reliability, validity, and relationships to measures of happiness;R W Belk;Advances in consumer research,1984
4. Materialism: Trait aspects of living in the material world;R W Belk;Journal of Consumer Research,1985