Promoting Public Transit in Urban Areas with Incentives and Commitment
Bachman, W. , & Katzev, R. (1982). The effects of non-contingent free bus tickets and personal commitment on urban bus ridership. Transportation Research, 16A, 2, 103-108.
Global Action Plan Community Lifestyles Campaign
Gershon, D. & Gilman, R. (1991). Household ecoteam workbook: A six month program to bring your household into environmental balance. Uxbridge, Ontario: