Gottlob, G., & Koch, C. (2003). XPath Query Processing. Springer.
芝加哥风格引文Gottlob, G., 与 C. Koch. XPath Query Processing. Springer, 2003.
MLA引文Gottlob, G., 与 C. Koch. XPath Query Processing. Springer, 2003.
警告：这些引文格式不一定是100％准确.
APA引文