Gaya APA

Shen, F, H., Shaffrey, C, I. (2010). Arthritis & Arthroplasty The Spine (Cet. 1). New York: Elsevier.

Gaya MLA

Shen, Francis, H.., Shaffrey, Christopher, I.. "Arthritis & Arthroplasty The Spine". Cet. 1 New York: Elsevier, 2010. Text.