University of Queensland. Speleological Society & Sprent, J. K. (1970). Mount Etna caves: A collection of papers covering several aspects of the Mt Etna and Limestone Ridge caves area of central Queensland. University of Queensland Speleological Society.
Chicago Style (17th ed.) CitationUniversity of Queensland. Speleological Society and J. K. Sprent. Mount Etna Caves: A Collection of Papers Covering Several Aspects of the Mt Etna and Limestone Ridge Caves Area of Central Queensland. St. Lucia, Qld.: University of Queensland Speleological Society, 1970.
MLA引文University of Queensland. Speleological Society and J. K. Sprent. Mount Etna Caves: A Collection of Papers Covering Several Aspects of the Mt Etna and Limestone Ridge Caves Area of Central Queensland. University of Queensland Speleological Society, 1970.