Hoebel, E. Adamson
The law of primitive man : a study in comparative legal dynamics
Atheneum, 1970
 Buku Teks SO
Dwi M.J. Purnomo
Comparative study of rtos and primitive interrupt in embedded system
Fakultas Ilmu Komputer Universitas Indonesia, 2015
 Artikel Jurnal
Hoebel, E. Adamson
The law of primitive man : a study in comparative legal dynamics
Harvard University Press, 1967
 Buku Teks SO
Mallinson, Vernon
Introduction to the study of comparative education by
London Heinemann 1960
 Buku Teks
Kahan, Barbara
Growing up in groups
HMSO , 1994
 Buku Teks SO