Kottak, Conrad Phillip, 1942-
McGraw-Hill, 2011
Buku Teks SO
Keesing, Roger M.
Holt, Rine hart and Winston, 1971
Buku Teks
Kottak, Conrad Phillip, 1942-
McGraw-Hill , 1991
Buku Teks SO
Ember, Carol R.
Prentice-Hall, 1985
Buku Teks SO
Haviland, William A.
Rinehart and Winston, 1974
Buku Teks SO