Bold, Harold Charles, 1909-, author
Prentice-Hall, 1987
Buku Teks
Harborne, J.B., author
Academic Press, 1984
Buku Teks
Jones, Samuel B., 1933-, author
McGraw-Hill, 1986
Buku Teks
Salisbury, Frank B., author
Wadsworth, 1985
Buku Referensi
Crang, Richard, author
McGraw-Hill , 2003
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