Johson, Jean
Bedford Books, 1987
Buku Teks
Hockett, Homer Carey
Macmillan, 1963
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Greenlaw, Steven A., author
South Western, Cengage Learning, 2009
Buku Teks
Soekarno K., author
Miswar, 1982
Buku Teks
Azril Azahari, author
Penerbit Universitas Trisakti, 2001
Buku Teks