editor by O.H. Muth
The Avi Publisher, 1967
Buku Teks
Ingold, Tim, 1948-
Routledge, 2018
Buku Teks
Ember, Carol R.
Prentice-Hall, 1985
Buku Teks
Haviland, William A.
Rinehart and Winston, 1974
Buku Teks
edited by Edward Hence Shortliffe and James J. Cimino
Springer, 2006
Buku Teks