Simon, Edith, author
Time-Life Books, 1967
Buku Teks
R. Po-Chia Hsia
BlackWell Publishing, 2006
Buku Teks
Lucas, Henry S., author
Harper and Row, 1960
Buku Teks
H.Bainton, Roland H., author
D. Van Nostrand , 1956
Buku Teks
Elton, G. R. (Geoffrey Rudolph), author
Harper & Row, 1963
Buku Teks