Wintle, B. C., Fraser, H., Wills, B. C., Nicholson, A. E., & Fidler, F. (2019). Verbal probabilities: Very likely to be somewhat more confusing than numbers. PLoS One.

Wintle, Bonnie C., Hannah Fraser, Ben C. Wills, Ann E. Nicholson, ja Fiona Fidler. "Verbal Probabilities: Very Likely to Be Somewhat More Confusing Than Numbers." PLoS One 2019.

Wintle, Bonnie C., et al. "Verbal Probabilities: Very Likely to Be Somewhat More Confusing Than Numbers." PLoS One 2019.