Gaya APA

Warfield, C, A., Bajwa, Z, H. (2004). Principles and Practice of Pain Medicine 2nd edition . USA: McGraw Hill Companies.

Gaya MLA

Warfield, Carol, A.., Bajwa, Zahid, H.. "Principles and Practice of Pain Medicine 2nd edition". USA: McGraw Hill Companies, 2004. Teks (Text).