Lock, Margaret, author
Wiley Blackwell, 2010
Buku Teks
editor by O.H. Muth
The Avi Publisher, 1967
Buku Teks
Ingold, Tim, 1948-, author
Routledge, 2018
Buku Teks
Ember, Carol R., author
Prentice-Hall, 1985
Buku Teks
Haviland, William A., author
Rinehart and Winston, 1974
Buku Teks