edited by John F. Szwed
Basic Books, 1970
Buku Teks SO
Battle, Michael
Blackwell Publishing, 2006
Buku Teks SO
Johnson, Daniel Milo
Duke University Press, 1981
Buku Teks SO
Mona Audryn Margaretha
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2019
UI - Tugas Akhir
Lincoln, George A.
Prentice-Hall, 1957
Buku Teks SO