Glass, R. L. (2004). Water quality in the Cook Inlet Basin, Alaska, 1998 - 2001. US Geological Survey circular 1240.
Chicago Style citaatGlass, Roy L. "Water Quality in the Cook Inlet Basin, Alaska, 1998 - 2001." US Geological Survey Circular 1240 2004.
MLA citatieGlass, Roy L. "Water Quality in the Cook Inlet Basin, Alaska, 1998 - 2001." US Geological Survey Circular 1240 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.