Panin, N. (2004). Danube river, Cetate, daily average water level, 2002. PANGAEA.
Cita Chicago Style (17a ed.)Panin, Nicolae. Danube River, Cetate, Daily Average Water Level, 2002. PANGAEA, 2004.
Cita MLA (9a ed.)Panin, Nicolae. Danube River, Cetate, Daily Average Water Level, 2002. PANGAEA, 2004.
Precaución: Estas citas no son 100% exactas.