Παραπομπή σε μορφή APA (7η εκδ.)

Kramer, H. J. (1994). Observation of the earth and its environment: Survey of missions and sensors (2nd ed.). Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kramer, H. J. Observation of the Earth and Its Environment: Survey of Missions and Sensors. 2nd ed. Berlin: Springer-Verlag, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kramer, H. J. Observation of the Earth and Its Environment: Survey of Missions and Sensors. 2nd ed. Springer-Verlag, 1994.