Brackman, Arnold C.
Time Books, 1980
Buku Teks
Morley, Neville, author
Wiley-Blackwell, 2009
Buku Teks
Brackman, Arnold C., author
Asia Pacific Press, 1970
Buku Teks
Brackman, Arnold C., author
Asia Pasific Press, 1970.
Buku Teks
Friendly, Fred W.
Random House, 1984
Buku Teks