APA:
Luiszer, Fred G. (2007). Timing of passage development and sedimentation at Cave of the Winds, Manitou Springs, Colorado, USA.
Acta carsologica, volume 36, issue 1, str. 157-171.
URN:NBN:SI:DOC-X0ZRRBX9 from http://www.dlib.si
MLA:
Luiszer, Fred G.. "Timing of passage development and sedimentation at Cave of the Winds, Manitou Springs, Colorado, USA."
Acta carsologica volume 36. issue 1 (2007) str. 157-171.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-X0ZRRBX9>