एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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