Gottlob, G., & Koch, C. (2003). XPath Query Processing. Springer.
Cita Chicago (17th ed.)Gottlob, G., i C. Koch. XPath Query Processing. Springer, 2003.
Cita MLA (9th ed.)Gottlob, G., i C. Koch. XPath Query Processing. Springer, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.