Reuschlein, Harold Gill, author
St. Paul Minn, 1990
Buku Teks
Eisenberg, Melvin A., author
The Foundation Press, 1987
Buku Teks
Yetty Komalasari Dewi, author
Rajawali Pers, 2016
Buku Teks
Cobban, Alfred, author
Penguin Books, 1990
Buku Teks
Hackett, John T.
Harvard University Press , 1963
Buku Teks