ebrary, Inc. (2011). Sand dunes: Ecology, geology and conservation. Nova Science Publishers.
Chicago-viite (17. p.)ebrary, Inc. Sand Dunes: Ecology, Geology and Conservation. New York: Nova Science Publishers, 2011.
MLA-viite (9. p.)ebrary, Inc. Sand Dunes: Ecology, Geology and Conservation. Nova Science Publishers, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.