APA Citatie

Ewan, E. E., Hursh, S. R., Madden, G. J., & Smethells, J. R. Tests of behavioral-economic assessments of relative reinforcer efficacy: Economic substitutes.

Chicago Style citaat

Ewan, Eric E., Steven R. Hursh, Gregory J. Madden, en John R. Smethells. Tests of Behavioral-economic Assessments of Relative Reinforcer Efficacy: Economic Substitutes.

MLA citatie

Ewan, Eric E., Steven R. Hursh, Gregory J. Madden, en John R. Smethells. Tests of Behavioral-economic Assessments of Relative Reinforcer Efficacy: Economic Substitutes.

Let op: Deze citaties zijn niet altijd 100% accuraat.