Παραπομπή APA

Verstappen, H. T. (1977). Remote sensing in geomorphology. Elsevier scientific.

Παραπομπή Chicago Style

Verstappen, H. Th. Remote Sensing in Geomorphology. Amsterdam: Elsevier scientific, 1977.

Παραπομπή MLA

Verstappen, H. Th. Remote Sensing in Geomorphology. Elsevier scientific, 1977.