Harris, Norman C., author
Glencoe, 1989
Buku Teks
Walker, Jearl, 1945-, author
Wiley, Hoboken, NJ, 2023
Buku Teks
Ohanian, Hans C.
W.W. Norton , 1994
Buku Teks
Jewett, John W., author
Thomson, Brooks/Cole, 2006
Buku Teks
Constant, F. Woodbridge (Frank Woodbridge), 1904-, author
Addison-Wesley, 1967
Buku Teks