Boyle, K. J. Valuing public goods: Discrete versus continuous contingent-valuation responses. Land economics..
芝加哥风格引文Boyle, Kevin J. "Valuing Public Goods: Discrete Versus Continuous Contingent-valuation Responses." Land Economics. .
MLA引文Boyle, Kevin J. "Valuing Public Goods: Discrete Versus Continuous Contingent-valuation Responses." Land Economics., .
警告：这些引文格式不一定是100％准确.