Llewellyn, Kate
Mountain
Hudson Hawthorn, 1989.
 Buku Teks
Kim, Daniel H.
Tumors of the spine
Saunders Elsevier, 2008
 Buku Teks
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
Parish, Romola
Mountain environments
Routledge,, 2013
 Buku Teks