Dunning, James Morse
Harvard University Press, 1974
Buku Teks
Dunning, James Morse
Harvard University Press, 1979
Buku Teks
Dunning, James Morse
Harvard University Press, 1980
Buku Teks
Mosby Comp., 1981
Buku Teks
DeBiase, Christina B.
Lea & Febiger, 1991
Buku Teks