Xu. (2013). Sciences of Geodesy - II (1.). Springer Berlin Heidelberg.
Chicago Style aipamenaXu. Sciences of Geodesy - II. 1. Springer Berlin Heidelberg, 2013.
MLA aipamenaXu. Sciences of Geodesy - II. 1. Springer Berlin Heidelberg, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.