Menard, W. H., & McKee, E. (1979). A study of global sand seas. U.S. Government Printing Office.
Cita Chicago (17th ed.)Menard, William H., i Edwin McKee. A Study of Global Sand Seas. Washington D. C: U.S. Government Printing Office, 1979.
Cita MLA (9th ed.)Menard, William H., i Edwin McKee. A Study of Global Sand Seas. U.S. Government Printing Office, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.