Cita APA (7th ed.)

VERSTAPPEN, H. (1983). Applied geomorphology: Geomorphological surveys for en-viromental development. Elsevier.

Cita Chicago (17th ed.)

VERSTAPPEN, H.Th. Applied Geomorphology: Geomorphological Surveys for En-viromental Development. Amsterdam: Elsevier, 1983.

Cita MLA (9th ed.)

VERSTAPPEN, H.Th. Applied Geomorphology: Geomorphological Surveys for En-viromental Development. Elsevier, 1983.