Alpízar, F., Martinsson, P., Development, E. f., & Resources for the Future, W. (2010). Don't tell me what to do, tell me who to follow!: Field experiment evidence on voluntary donations.
استشهاد بنمط شيكاغوAlpízar, F., P. Martinsson, Environment for Development, و Washington Resources for the Future. Don't Tell Me What to Do, Tell Me Who to Follow!: Field Experiment Evidence On Voluntary Donations. 2010.
MLA استشهادAlpízar, F., P. Martinsson, Environment for Development, و Washington Resources for the Future. Don't Tell Me What to Do, Tell Me Who to Follow!: Field Experiment Evidence On Voluntary Donations. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.