Kendall, Diana, author
Thomson/Wadsworth, 2008
Buku Teks
Berger, Peter L., author
Anchor Books, 1963
Buku Teks
Macionis, John J., author
Prentice-Hall, 2008
Buku Teks
Mayer, J.P., author
Faber and Faber, 1948
Buku Teks
O`Brien, Robert W.
Houghton Mifflin, 1964
Buku Teks