edited by Philip M. Hauser and Leo F. Schnore
John Wiley & Sons, 1965
Buku Teks
Caminos, Horacio
MIT Press, 1980
Buku Teks
Spear, Percival
The University of Michigan Press, 1961
Buku Teks
Edited by Wilbert E. Moore and Neil J. Smelser.
Prentice-Hall, 1966
Buku Teks
Kozo Ueda
Southeast Asia Medical Information Center International Medical Foundation of Japan, 1985
Buku Teks