Spieker, A. M. (1968). Future development of the ground-water resource in the lower Great Miami River valley, Ohio: Problems and alternative solutions. U.S. Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Spieker, Andrew M. Future Development of the Ground-water Resource in the Lower Great Miami River Valley, Ohio: Problems and Alternative Solutions. Washington, D.C: U.S. Gov. Print. Off, 1968.
MLA-Zitierstil (9. Ausg.)Spieker, Andrew M. Future Development of the Ground-water Resource in the Lower Great Miami River Valley, Ohio: Problems and Alternative Solutions. U.S. Gov. Print. Off, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.