Forsyth, Patrick, author
Routledge, 1997
Buku Teks
Lattimore, Dan, author
Morton , 1990
Buku Teks
Lattimore, Dan, author
Morton , 1990
Buku Teks
Huth, Edward J., author
William & Wilkins , 1999
Buku Teks
Collin, P. H., author
Universal Book Stall, 1990
Buku Referensi