Redfield, Robert, author
The University of Chicago Press, 1962
Buku Teks
Brownell, Baker
Harper & Brothers Publishers , 1950
Buku Teks
Redfield, Robert, author
The University of Chicago Press, 1963
Buku Teks
Halmos, Paul
Routledge & Kegan Paul Ltd., 1952
Buku Teks
Khairunisa Fathonah, author
Universitas Indonesia, 2013
UI - Tesis Membership