Xu. (2013). Orbits (2.). Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationXu. Orbits. 2. Springer Berlin Heidelberg, 2013.
MLA引文Xu. Orbits. 2. Springer Berlin Heidelberg, 2013.
警告：這些引文格式不一定是100％准確.
APA引文
Xu. (2013). Orbits (2.). Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationXu. Orbits. 2. Springer Berlin Heidelberg, 2013.
MLA引文Xu. Orbits. 2. Springer Berlin Heidelberg, 2013.