Gaya APA
Isaac, Peter C.G.. (1967).
River management .
:
Maclaren and Sons Ltd.
Gaya Chicago
Isaac, Peter C.G..
River management.
:
Maclaren and Sons Ltd,
1967.
Text.
Gaya MLA
Isaac, Peter C.G..
River management.
:
Maclaren and Sons Ltd,
1967.
Text.
Gaya Turabian
Isaac, Peter C.G..
River management.
:
Maclaren and Sons Ltd,
1967.
Print.