Murdock, George Peter
Africa
McGraw-Hill, 1959
 Buku Teks
Murdock, George Peter
Africa
McGraw-Hill, 1959
 Buku Teks
Africa
edited by Phillis M. Martin and Patrick O'Meara
Indiana University Press, 1995
 Buku Teks SO
Nielsen, Waldemar A.
Africa
Atheneum, 1966
 Buku Teks SO
Crichton, Michael
Jurassic park / Michael Park
Arrow, 1991
 Buku Teks SO