Kent, Valerie
Coach House Press, 1976
Buku Teks
Kent, Sherman
Appleton Century Croffs, 1967
Buku Teks
Kent, Sherman
Appleton Century Croffs, 1941
Buku Teks
Schlesinger, Arthur M., author
A Marner Book, 2003
Buku Teks
Allen, Gerald R.
P.T. Freeport Indonesia ; Roleystone, W.A. : Tropical Reef Research, 2000
Buku Teks