Linden, P. v. d. (1978). Contemporary soil erosion in the Sanggreman River Basin related to the quaternary landscape development: A pedogeomorphic and hydro-geomorphological case study in Middle-Java, Indonesia. Universiteit van Amsterdam?.
Παραπομπή σε μορφή Chicago (17η εκδ.)Linden, P. van der. Contemporary Soil Erosion in the Sanggreman River Basin Related to the Quaternary Landscape Development: A Pedogeomorphic and Hydro-geomorphological Case Study in Middle-Java, Indonesia. [Amsterdam: Universiteit van Amsterdam?, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Linden, P. van der. Contemporary Soil Erosion in the Sanggreman River Basin Related to the Quaternary Landscape Development: A Pedogeomorphic and Hydro-geomorphological Case Study in Middle-Java, Indonesia. Universiteit van Amsterdam?, 1978.