Nikolopoulus, Kostasi I., author
Wiley, Hoboken, NJ, 2019
Buku Teks
Lancaster, Geoffrey A.
Macmillan, 1985
Buku Teks
Kahn, Herman, author
Morrow Quill Paperbacks, 1979
Buku Teks
editor, James R. Bright
Prentice-Hall, 1968
Buku Teks
edited by Gabriele Cruciani
Wiley-VCH, 2006
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