Smith, Bradley Fraser, author
John Weatherhill, 1971
Buku Referensi
Janson, H.W
Prentice-Hall, 1997
Buku Teks
Sun, Weizu
Foreign Language Press, 2010
Buku Referensi
Parragon, 2000
Buku Referensi
Adams, Laurie Schneider, author
Brown & Benchmark , 1997
Buku Referensi