Wallace, Walter L.
Aldine publishing, 1970
Buku Teks
Coser, Lewis A., 1913-, author
Harcourt Brace Jovanovich, 1971
Buku Teks
Maynard, Mary
Longman, 1993
Buku Teks
edited by Lewis A. Coser and Bernard Rosenberg
Macmillan, 1957
Buku Teks
Handel, Warren H.
Prentice-Hall, 1993
Buku Teks