Merton, Robert K.
Harcourt Brace Jovanovich, 1971
Buku Teks
Morales, Armando
Allyn and Bacon, 1983
Buku Teks
Kornblum, William
Prentice-Hall, 1992
Buku Teks
Horton, Paul B.
Appleton-Century-Crofts, 1955
Buku Teks
edited, John B. Williamson, Linda Evans and Michael Rustad
Little, Brown, 1985
Buku Teks