J. Ritchie

An Exploratory Analysis of the Nature and Extent of Individual Differences in Perception

J. Ritchie, 1974 .

Marketing Research and Public Policy: A Functional Perspective

J. Ritchie, Roger J. Labreque, 1975 .

Leisure Activities and Perceived Risk

E. Chéron, J. Ritchie, 1982 .