Instituto Brasileiro de Informação em Ciência e Tecnologia

Παραπομπή σε μορφή APA (7η εκδ.)

British Geomorphological Research Group. (1981). Earth Surface Processes and Landforms. John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

British Geomorphological Research Group. Earth Surface Processes and Landforms. Sussex, Inglaterra: John Wiley & Sons, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

British Geomorphological Research Group. Earth Surface Processes and Landforms. John Wiley & Sons, 1981.