Slemon, Gordon R., author
Addison-Wesley, 1980
Buku Teks
Morris, Noel Malcolm, 1929-, author
Macmillan, 1991
Buku Teks
Nilsson, James William, author
Addison-Wesley, 1986
Buku Teks
Nilsson, James William, author
Addison-Wesley, 1986
Buku Teks
O`Dell, Andrew C.
Hutchinson University Library, 1971
Buku Teks