ebrary, Inc, & Murphy, J. A. (2011). Sand dunes: Conservation, types and desertification. Nova Science Publishers.
Cita Chicago (17th ed.)ebrary, Inc, i Jessica A. Murphy. Sand Dunes: Conservation, Types and Desertification. New York: Nova Science Publishers, 2011.
Cita MLA (9th ed.)ebrary, Inc, i Jessica A. Murphy. Sand Dunes: Conservation, Types and Desertification. Nova Science Publishers, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.