Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

Betts, A., & Helms, S. (1989). A water harvesting and storage system at Ibn el-Ghazzi in eastern Jordan. A preliminary report.

Chicago Zitierstil

Betts, A.V.G., and S. Helms. A Water Harvesting and Storage System At Ibn El-Ghazzi in Eastern Jordan. A Preliminary Report. 1989.

MLA Zitierstil

Betts, A.V.G., and S. Helms. A Water Harvesting and Storage System At Ibn El-Ghazzi in Eastern Jordan. A Preliminary Report. 1989.