Govoni, Laura
Appleton , 1978
Buku Teks SO
Shannon, Margaret T.
Appletton & Lange , 1992
Buku Teks
Krantz, John C.
Williams & Wilkins, 1974
Buku Teks SO
Graham, J. D. P.
Oxford University Press, 1979
Buku Teks SO
Publishing Science Group, Inc., 1973
Buku Teks SO