Finlay, Graeme, 1953-, author
Cambridge University Press, 2013
Buku Teks
Montagu, Ashley, 1905-1999, author
Word Publishing, 1995
Buku Teks
Lewis, Ricki, author
McGraw-HIll, 2001
Buku Teks
Lewis, Ricki, author
McGraw-Hill, 2003
Buku Teks
Stern, Curt, author
W. H. Freeman and Company, 1960
Buku Teks