Hill, Charles W. L., author
Houghton Miffiln, 2001
Buku Teks
Taylor, Weldon Johnson, 1908-, author
South-Western Publishing, 1975
Buku Teks
Hill, Charles W. L., author
Houghton Miffiln, 1998
Buku Teks
Burfeind, James W. , author
Jones and Bartlett Publishers, 2011
Buku Teks
Silverthorn, Dee Unglaub, author
Prentice-Hall, 2001
Buku Teks