Anggarwal, Bharat B., author
Sterling Publishing, 2011
Buku Teks
Watson, Donald, author
Andre Deutsch, 1995
Buku Referensi
Ryrie, Charlie, author
Journet Editions, 1999
Buku Teks
Savitri Ramaiah, author
Gramedia, 2004
Buku Teks
Stevenson, Gladys T., author
John Wiley & Sons, 1960
Buku Teks