Yi, R., Johnson, M. W., Giordano, L. A., Landes, R. D., Badger, G. J., & Bickel, W. K. (2008). THE EFFECTS OF REDUCED CIGARETTE SMOKING ON DISCOUNTING FUTURE REWARDS: AN INITIAL EVALUATION.

Yi, Richard, Matthew W. Johnson, Louis A. Giordano, Reid D. Landes, Gary J. Badger, و Warren K. Bickel. THE EFFECTS OF REDUCED CIGARETTE SMOKING ON DISCOUNTING FUTURE REWARDS: AN INITIAL EVALUATION. 2008.

Yi, Richard, et al. THE EFFECTS OF REDUCED CIGARETTE SMOKING ON DISCOUNTING FUTURE REWARDS: AN INITIAL EVALUATION. 2008.