Ogosta Point:. In: Australian Antarctic Data Centre Data management and spatial data services. Australian Government Department of Environment and Energy Antarctic Division, abgerufen am 5. März 2017.
bas.bg
geology.bas.bg
Tanya Vasileva, Peter Gerginov & Tatiana Orehova: Groundwater and Human Pressure in the Ogosta River Basin. In: Bulgarian Academy of Sciences Geological Institute. Geological Institute, Bulgarian Academy of Sciences, Sofia, Bulgaria, 31. Mai 2008, abgerufen am 5. März 2017.
Teodora Stoyanova & Ivan Traykov: Assessment of the Ecological Status of Ogosta River, Northwestern Bulgaria, Based on the Macrozoobenthos and the General Physical and Chemical Quality Element. In: Acta Zoologica Bulgarica. 2014 (researchgate.net [PDF; abgerufen am 5. März 2017]).