Bowman, W.C., author
Blackwell, 1980
Buku Teks
Burgen, A.S.V., author
Oxford University Press, 1972
Buku Teks
Burgen, A.S.V., author
Oxford University Press, 1985
Buku Teks
Turner, Paul, author
Williams & Wilkins, 1973
Buku Teks
Bergersen, Betty S., author
Mosby , 1976
Buku Teks