Seip, K., & Strand, J. (1990). Willingness to pay for environmental goods in Norway: A contingent valuation study with real payment: A contingent valuation study with a real payment.
Chicago-Zitierstil (17. Ausg.)Seip, Kalle, und Jon Strand. Willingness to Pay for Environmental Goods in Norway: A Contingent Valuation Study with Real Payment: A Contingent Valuation Study with a Real Payment. Oslo, 1990.
MLA-Zitierstil (9. Ausg.)Seip, Kalle, und Jon Strand. Willingness to Pay for Environmental Goods in Norway: A Contingent Valuation Study with Real Payment: A Contingent Valuation Study with a Real Payment. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.