Kobori, O., Ishikawa, R., & Shimizu, E. (2014). Developing a Japanese version of the mental pollution questionnaire and examining the cognitions that contribute to mental contamination. Asia Pacific Journal of Counselling and Psychotherapy, 5(2), pp. 179-192. doi:10.1080/21507686.2014.948562

Kobori, Osamu, Ryotaro Ishikawa, and Eiji Shimizu. "Developing a Japanese Version of the Mental Pollution Questionnaire and Examining the Cognitions That Contribute to Mental Contamination." Asia Pacific Journal of Counselling and Psychotherapy 5, no. 2 (2014): 179-192.

Kobori, Osamu, Ryotaro Ishikawa, and Eiji Shimizu. "Developing a Japanese Version of the Mental Pollution Questionnaire and Examining the Cognitions That Contribute to Mental Contamination." Asia Pacific Journal of Counselling and Psychotherapy 5.2 (2014): 179-192.