Jarvie, Ian C., author
Routledge and Kegan Paul, 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
Arendt, Hannah, 1906-1975, author
Penguin, 1965
Buku Teks