Gaya APA

Tracers in hydrology [sumber elektronik] / Christian Leibundgut, Piotr Maloszewski, Christoph K¨ulls.. (2009). : .

Gaya MLA

Tracers in hydrology [sumber elektronik] / Christian Leibundgut, Piotr Maloszewski, Christoph K¨ulls.. Ed. Ke- 1. : , 2009. Text.