Williams, D. I., & Rob, C. (1977). Operative surgery: Edited by D. Innes Williams (3rd edition.). Butterworths.
Lua i Stíl Chicago (17ú heag.)Williams, D. Innes, agus Charles Rob. Operative Surgery: Edited by D. Innes Williams. 3rd edition. London ; Boston [u.a.]: Butterworths, 1977.
Lua MLA (8ú heag.)Williams, D. Innes, agus Charles Rob. Operative Surgery: Edited by D. Innes Williams. 3rd edition. Butterworths, 1977.
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