edited by P.E. de. Josselin de Jong and Erik Schwimmer
Martinus Nijhoff, 1982
Buku Teks SO
edited by William L. Thomas
University of Chicago Press, 1956
Buku Teks SO
Ember, Carol R.
Prentice-Hall, 1985
Buku Teks SO
Haviland, William A.
Rinehart and Winston, 1974
Buku Teks SO
edited by Allan H. Smith and John L. Fischer
Prentice-Hall, 1970
Buku Teks SO