APA-viite (7. p.)
Christoph Reigber, H. L. Earth Observation with CHAMP: Results from Three Years in Orbit. Springer.
Chicago-viite (17. p.)
Christoph Reigber, Hermann Lühr. Earth Observation with CHAMP: Results from Three Years in Orbit. Berlín, Alemania: Springer.
MLA-viite (9. p.)
Christoph Reigber, Hermann Lühr. Earth Observation with CHAMP: Results from Three Years in Orbit. Springer.
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