Kupka, I. (2006). Recreational load as a driving variable for urban forests. Czech Academy of Agricultural Sciences.
芝加哥风格引文Kupka, I. Recreational Load as a Driving Variable for Urban Forests. Czech Academy of Agricultural Sciences, 2006.
MLA引文Kupka, I. Recreational Load as a Driving Variable for Urban Forests. Czech Academy of Agricultural Sciences, 2006.
警告：这些引文格式不一定是100％准确.