Hollingsworth, T.H.
Cornell University Press, 1969
Buku Teks SO
Spiegelman, Mortimer
Harvard University Press, 1968
Buku Teks SO
Shryock, Henry S.
Academic press, 1976
Buku Teks SO
Smith, T. Lynn
F.A. Davis, 1970
Buku Teks SO
BKKBN
BKKBN, 1983
Buku Teks