Petts, G. E., & Calow, P. (1996). River restoration: Selected extracts from the River handbook. Blackwell Science.
Chicago-viite (17. p.)Petts, Geoffrey E., ja Peter Calow. River Restoration: Selected Extracts from the River Handbook. Cambridge, MA: Blackwell Science, 1996.
MLA-viite (9. p.)Petts, Geoffrey E., ja Peter Calow. River Restoration: Selected Extracts from the River Handbook. Blackwell Science, 1996.
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