Llewellyn, Kate
Mountain
Hudson Hawthorn, 1989.
 Buku Teks SO
Kim, Daniel H.
Tumors of the spine
Saunders Elsevier, 2008
 Buku Teks SO
Kim, Daniel H.
Tumors of the spine
Saunders, 2008
 Multimedia
Textbook of the cervical spine
Francis H. Shen, Dino Samartzis, Richard G. Fessler, editors
Elsevier, 2015
 Buku Teks SO
Mann, Thomas
The magic mountain
Vintage International , 1995
 Buku Teks SO