Finney, Charles G.
Doubleday, 1961
Buku Teks
Ambrose, Stephen E., author
Yayasan obor Indonesia, 2007
Buku Teks
Pelcovits, Nathan A.
King Crown Press, 1948
Buku Teks
Isaacs, Harold R., author
Secker & Warburg, 1938
Buku Teks
Isaacs, Harold R., author
Atheneum, 1968
Buku Teks