Salk, Jonas, author
Columbia University Press, 1983
Buku Teks
Day, Laura, author
Gramedia Pustaka Utama, 1997
Buku Teks
Woods, Alan, author
IRE Press, 2006
Buku Teks
Pagels, Heinz R.
Simon and Schuster , 1988
Buku Teks
Santayana, George, author
Columbia University Press, 1995
Buku Teks