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Scott, Foresman and Company, 1983
Koleksi Publik
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Prentice-Hall, 1999
Buku Teks
Holladay, Sylvia A., author
Prentice-Hall, 1981
Buku Teks
Love, Glen A.
Foresmann, 1969
Buku Teks
Mcmahan, Elizabeth
McGraw-Hill, 1984
Buku Teks