Ewan, E. E., Hursh, S. R., Madden, G. J., & Smethells, J. R. Tests of behavioral-economic assessments of relative reinforcer efficacy: Economic substitutes.
Trích dẫn kiểu ChicagoEwan, Eric E., Steven R. Hursh, Gregory J. Madden, và John R. Smethells. Tests of Behavioral-economic Assessments of Relative Reinforcer Efficacy: Economic Substitutes.
MLA引文Ewan, Eric E., Steven R. Hursh, Gregory J. Madden, và John R. Smethells. Tests of Behavioral-economic Assessments of Relative Reinforcer Efficacy: Economic Substitutes.
警告：這些引文格式不一定是100％准確.