APA:
Shaw, Trevor R. (1994). The Bonewell spring (England) in Valvasor's "Die Ehre dess Herzogthums Crain" (1689) - the author's sources.
Acta carsologica, letnik 23, str. 359-367.
URN:NBN:SI:DOC-9YVIRYET from http://www.dlib.si
MLA:
Shaw, Trevor R.. "The Bonewell spring (England) in Valvasor's "Die Ehre dess Herzogthums Crain" (1689) - the author's sources."
Acta carsologica letnik 23 (1994) str. 359-367.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-9YVIRYET>