APA Style
RIGGS, F.E., TOLLEY, G.S.. (1966).
Economic of wastershed planning (1).
IOWA:
THE IOWA STATE UNIVERSITY PRESS.
Chicago Style
RIGGS, F.E., TOLLEY, G.S..
Economic of wastershed planning.
1
IOWA:
THE IOWA STATE UNIVERSITY PRESS,
1966.
TXB.
MLA Style
RIGGS, F.E., TOLLEY, G.S..
Economic of wastershed planning.
1
IOWA:
THE IOWA STATE UNIVERSITY PRESS,
1966.
TXB.
Turabian Style
RIGGS, F.E., TOLLEY, G.S..
Economic of wastershed planning.
1
IOWA:
THE IOWA STATE UNIVERSITY PRESS,
1966.
TXB.