Hartman, Geoffrey H.
Yale University Press , 1971
Buku Teks
Braiker, Harriet B., author
McGraw-Hill, 2004
Buku Teks
Carfora, Mauro, author
Springer, 2012
eBooks
McWeeny, R.
Pergamon Press, 1972
Buku Teks
Boissonneau, Alice
Simon & Pierre Pub. Co. , 1976
Buku Teks