Van der Ploeg, R., & Withagen, C. (2010). Is there really a green paradox? University of Oxford.
芝加哥风格引文Van der Ploeg, R., 与 C. Withagen. Is There Really a Green Paradox? University of Oxford, 2010.
MLA引文Van der Ploeg, R., 与 C. Withagen. Is There Really a Green Paradox? University of Oxford, 2010.
警告：这些引文格式不一定是100％准确.