Allen, Gerald R.
Freshwater fishes of the Timika Region, New Guinea / Gerald Allen R., Kent G. Hortle, Samuel J. Renyaan
P.T. Freeport Indonesia ; Roleystone, W.A. : Tropical Reef Research, 2000
 Buku Teks
Schlesinger, Arthur Meier
A Thousand days
A Marner Book, 2003
 Buku Teks
Kent, Percy Horace
The Passing of the manchus / Percy Horace Kent
Edward Arnold , 1912.
 Buku Teks SO
Ballast, David Kent
Handbook of construction tolerances / David Kent Ballast
McGraw-Hill, 1994
 Buku Referensi
Ballast, David Kent
Interior construction and achitects / David Kent Ballast
Professional Publications, 2002
 Buku Teks SO