APA
Petts G. E., Calow P., . (1996). River restoration: selected extracts from the rivers handbook. Oxford: Blackwell Science.
Chicago
Petts Geoffrey E, Calow Peter, . 1996. River restoration: selected extracts from the rivers handbook. Oxford: Blackwell Science.
Harvard
Petts G. E., Calow P., . (1996). River restoration: selected extracts from the rivers handbook. Oxford: Blackwell Science.
MLA
Petts Geoffrey E, Calow Peter, . River restoration: selected extracts from the rivers handbook. Oxford: Blackwell Science. 1996.