Coon, Carleton S., author
Henry Holt, 1948
Buku Teks
edited by Franz Boas
D.C. Heath, 1938
Buku Teks
edited by Aaron Podolefsky, Peter J. Brown, Scott M. Lacy
McGraw-Hill, 2012
Buku Teks SO
Lee Cronk, Vaughn M. Bryant
McGraw-Hill, 2000
Buku Teks SO
Ember, Carol R., author
Prentice-Hall, 1985
Buku Teks