Vivian, John, author
Pearson and AB, 2007
Buku Teks
editor, Joseph F. Littell
McDougal, Littel and Company, 1976
Buku Teks
Agee, Warren Kendall, editor
1982
Buku Teks
Emery, Edwin, editor
Dood, Mead & Company, 1971
Buku Teks
Vivian, John, author
Pearson, 2011
Buku Teks