Briggs, A. M., Akers, J. S., Greer, B. D., Fisher, W. W., & Retzlaff, B. J. (2017). Systematic Changes in Preference for Schedule-Thinning Arrangements as a Function of Relative Reinforcement Density. Behav Modif.

Briggs, Adam M., Jessica S. Akers, Brian D. Greer, Wayne W. Fisher, και Billie J. Retzlaff. "Systematic Changes in Preference for Schedule-Thinning Arrangements As a Function of Relative Reinforcement Density." Behav Modif 2017.

Briggs, Adam M., et al. "Systematic Changes in Preference for Schedule-Thinning Arrangements As a Function of Relative Reinforcement Density." Behav Modif 2017.