edited by Don K. Price
Prentice-Hall, 1960
Buku Teks
Albright, Madeleine, author
Marimax Books, 2003
Buku Teks
Melton, J. Gordon, author
Garland Publishing, 1986
Buku Referensi
Kroeber, A.L., author
The University of Chicago Press, 1953
Buku Teks
Hoban, Yvonne
McGraw-Hill, 1988
Buku Teks