Hasholt, Bent. “I. W. Heathcote: Integrated Watershed Management - Principles and Practice. New York, Wiley, 1998. X, 414 s., ill., 24 Cm. G8P60,-”. Geografisk Tidsskrift, bd. 99, januar 1999, https://tidsskrift.dk/geografisktidsskrift/article/view/42371.