↑ Seeley, Rod R.; Stephens, Trent D.; Tate, Philip (2002). Anatomy & physiology (6th ed.). McGraw & Hill. ISBN978-0-07-235113-2.
↑ Standring, Susan (2008) Gray's Anatomy: The Anatomical Basis of Clinical Practice, 39th Edition. ISBN 978-0-443-07168-3. Human surface anatomy photos at pp. 947, 1406-1410 Figs. 56.3, 110.12, 110.13, 110.15, 110.22
