Drake, Richard L., author
Churchill Livingstone Elsevier, 2015
Buku Teks
Gray, Henry, 1825-1861, author
TAJ Books, 2014
Buku Teks
Grisham, John, author
Gramedia Pustaka Utama, 2017
Buku Teks
Gray, Frances
Macmillan , 1982
Buku Teks
Gray, John, author
HarperCollins , 1995
Buku Teks